Home / 301,098-440,340

Finding the Third Proportional to 301,098 and 440,340

Calculator

Solution

The third proportional to 301,098 and 440,340 is: 643,974.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,098 : 440,340 = 440,340 : x
  2. Step 2: Convert to fraction form
    301,098/440,340 = 440,340/x
  3. Step 3: Cross multiply
    301,098x = 440,340 × 440,340
  4. Step 4: Simplify right side
    301,098x = 193,899,315,600
  5. Step 5: Solve for x
    x = 193,899,315,600/301,098
  6. Step 6: Final answer
    x = 643,974.11

Related Problems

Find third proportional to 150,549 and 220,170
Half scale
Find third proportional to 602,196 and 880,680
Double scale
Find third proportional to 301,100 and 440,343
Similar ratio
Find third proportional to 451,647 and 660,510
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.