Home / 64,974-142,357

Finding the Third Proportional to 64,974 and 142,357

Calculator

Solution

The third proportional to 64,974 and 142,357 is: 311,901.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,974 : 142,357 = 142,357 : x
  2. Step 2: Convert to fraction form
    64,974/142,357 = 142,357/x
  3. Step 3: Cross multiply
    64,974x = 142,357 × 142,357
  4. Step 4: Simplify right side
    64,974x = 20,265,515,449
  5. Step 5: Solve for x
    x = 20,265,515,449/64,974
  6. Step 6: Final answer
    x = 311,901.92

Related Problems

Find third proportional to 32,487 and 71,178.50
Half scale
Find third proportional to 129,948 and 284,714
Double scale
Find third proportional to 64,976 and 142,361
Similar ratio
Find third proportional to 97,461 and 213,535.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.