Home / 83,502-129,141

Finding the Third Proportional to 83,502 and 129,141

Calculator

Solution

The third proportional to 83,502 and 129,141 is: 199,724.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,502 : 129,141 = 129,141 : x
  2. Step 2: Convert to fraction form
    83,502/129,141 = 129,141/x
  3. Step 3: Cross multiply
    83,502x = 129,141 × 129,141
  4. Step 4: Simplify right side
    83,502x = 16,677,397,881
  5. Step 5: Solve for x
    x = 16,677,397,881/83,502
  6. Step 6: Final answer
    x = 199,724.53

Related Problems

Find third proportional to 41,751 and 64,570.50
Half scale
Find third proportional to 167,004 and 258,282
Double scale
Find third proportional to 83,504 and 129,144
Similar ratio
Find third proportional to 125,253 and 193,711.50
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.