Home / 126,781.50-197,439

Finding the Third Proportional to 126,781.50 and 197,439

Calculator

Solution

The third proportional to 126,781.50 and 197,439 is: 307,475.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,781.50 : 197,439 = 197,439 : x
  2. Step 2: Convert to fraction form
    126,781.50/197,439 = 197,439/x
  3. Step 3: Cross multiply
    126,781.50x = 197,439 × 197,439
  4. Step 4: Simplify right side
    126,781.50x = 38,982,158,721
  5. Step 5: Solve for x
    x = 38,982,158,721/126,781.50
  6. Step 6: Final answer
    x = 307,475.13

Related Problems

Find third proportional to 63,390.75 and 98,719.50
Half scale
Find third proportional to 253,563 and 394,878
Double scale
Find third proportional to 126,784 and 197,442
Similar ratio
Find third proportional to 190,172.25 and 296,158.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.