Home / 381,993,628-818,443,381

Finding the Third Proportional to 381,993,628 and 818,443,381

Calculator

Solution

The third proportional to 381,993,628 and 818,443,381 is: 1,753,562,150.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,993,628 : 818,443,381 = 818,443,381 : x
  2. Step 2: Convert to fraction form
    381,993,628/818,443,381 = 818,443,381/x
  3. Step 3: Cross multiply
    381,993,628x = 818,443,381 × 818,443,381
  4. Step 4: Simplify right side
    381,993,628x = 669,849,567,902,711,168
  5. Step 5: Solve for x
    x = 669,849,567,902,711,168/381,993,628
  6. Step 6: Final answer
    x = 1,753,562,150.79

Related Problems

Find third proportional to 190,996,814 and 409,221,690.50
Half scale
Find third proportional to 763,987,256 and 1,636,886,762
Double scale
Find third proportional to 381,993,630 and 818,443,385
Similar ratio
Find third proportional to 572,990,442 and 1,227,665,071.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.