Home / 64,512-136,854

Finding the Third Proportional to 64,512 and 136,854

Calculator

Solution

The third proportional to 64,512 and 136,854 is: 290,318.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,512 : 136,854 = 136,854 : x
  2. Step 2: Convert to fraction form
    64,512/136,854 = 136,854/x
  3. Step 3: Cross multiply
    64,512x = 136,854 × 136,854
  4. Step 4: Simplify right side
    64,512x = 18,729,017,316
  5. Step 5: Solve for x
    x = 18,729,017,316/64,512
  6. Step 6: Final answer
    x = 290,318.35

Related Problems

Find third proportional to 32,256 and 68,427
Half scale
Find third proportional to 129,024 and 273,708
Double scale
Find third proportional to 64,514 and 136,858
Similar ratio
Find third proportional to 96,768 and 205,281
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.