Home / 60,331-128,675

Finding the Third Proportional to 60,331 and 128,675

Calculator

Solution

The third proportional to 60,331 and 128,675 is: 274,440.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,331 : 128,675 = 128,675 : x
  2. Step 2: Convert to fraction form
    60,331/128,675 = 128,675/x
  3. Step 3: Cross multiply
    60,331x = 128,675 × 128,675
  4. Step 4: Simplify right side
    60,331x = 16,557,255,625
  5. Step 5: Solve for x
    x = 16,557,255,625/60,331
  6. Step 6: Final answer
    x = 274,440.26

Related Problems

Find third proportional to 30,165.50 and 64,337.50
Half scale
Find third proportional to 120,662 and 257,350
Double scale
Find third proportional to 60,333 and 128,679
Similar ratio
Find third proportional to 90,496.50 and 193,012.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.