Home / 81,334-121,522.75

Finding the Third Proportional to 81,334 and 121,522.75

Calculator

Solution

The third proportional to 81,334 and 121,522.75 is: 181,569.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,334 : 121,522.75 = 121,522.75 : x
  2. Step 2: Convert to fraction form
    81,334/121,522.75 = 121,522.75/x
  3. Step 3: Cross multiply
    81,334x = 121,522.75 × 121,522.75
  4. Step 4: Simplify right side
    81,334x = 14,767,778,767.56
  5. Step 5: Solve for x
    x = 14,767,778,767.56/81,334
  6. Step 6: Final answer
    x = 181,569.56

Related Problems

Find third proportional to 40,667 and 60,761.38
Half scale
Find third proportional to 162,668 and 243,045.50
Double scale
Find third proportional to 81,336 and 121,526
Similar ratio
Find third proportional to 122,001 and 182,284.13
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.