Home / 57,512-77,439

Finding the Third Proportional to 57,512 and 77,439

Calculator

Solution

The third proportional to 57,512 and 77,439 is: 104,270.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,512 : 77,439 = 77,439 : x
  2. Step 2: Convert to fraction form
    57,512/77,439 = 77,439/x
  3. Step 3: Cross multiply
    57,512x = 77,439 × 77,439
  4. Step 4: Simplify right side
    57,512x = 5,996,798,721
  5. Step 5: Solve for x
    x = 5,996,798,721/57,512
  6. Step 6: Final answer
    x = 104,270.39

Related Problems

Find third proportional to 28,756 and 38,719.50
Half scale
Find third proportional to 115,024 and 154,878
Double scale
Find third proportional to 57,514 and 77,442
Similar ratio
Find third proportional to 86,268 and 116,158.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.