Home / 243,678-382,347

Finding the Third Proportional to 243,678 and 382,347

Calculator

Solution

The third proportional to 243,678 and 382,347 is: 599,927.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,678 : 382,347 = 382,347 : x
  2. Step 2: Convert to fraction form
    243,678/382,347 = 382,347/x
  3. Step 3: Cross multiply
    243,678x = 382,347 × 382,347
  4. Step 4: Simplify right side
    243,678x = 146,189,228,409
  5. Step 5: Solve for x
    x = 146,189,228,409/243,678
  6. Step 6: Final answer
    x = 599,927.89

Related Problems

Find third proportional to 121,839 and 191,173.50
Half scale
Find third proportional to 487,356 and 764,694
Double scale
Find third proportional to 243,680 and 382,350
Similar ratio
Find third proportional to 365,517 and 573,520.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.