Home / 83,606-129,509

Finding the Third Proportional to 83,606 and 129,509

Calculator

Solution

The third proportional to 83,606 and 129,509 is: 200,614.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,606 : 129,509 = 129,509 : x
  2. Step 2: Convert to fraction form
    83,606/129,509 = 129,509/x
  3. Step 3: Cross multiply
    83,606x = 129,509 × 129,509
  4. Step 4: Simplify right side
    83,606x = 16,772,581,081
  5. Step 5: Solve for x
    x = 16,772,581,081/83,606
  6. Step 6: Final answer
    x = 200,614.56

Related Problems

Find third proportional to 41,803 and 64,754.50
Half scale
Find third proportional to 167,212 and 259,018
Double scale
Find third proportional to 83,608 and 129,512
Similar ratio
Find third proportional to 125,409 and 194,263.50
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.