Home / 138,614-214,545

Finding the Third Proportional to 138,614 and 214,545

Calculator

Solution

The third proportional to 138,614 and 214,545 is: 332,070.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,614 : 214,545 = 214,545 : x
  2. Step 2: Convert to fraction form
    138,614/214,545 = 214,545/x
  3. Step 3: Cross multiply
    138,614x = 214,545 × 214,545
  4. Step 4: Simplify right side
    138,614x = 46,029,557,025
  5. Step 5: Solve for x
    x = 46,029,557,025/138,614
  6. Step 6: Final answer
    x = 332,070.04

Related Problems

Find third proportional to 69,307 and 107,272.50
Half scale
Find third proportional to 277,228 and 429,090
Double scale
Find third proportional to 138,616 and 214,548
Similar ratio
Find third proportional to 207,921 and 321,817.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.