Home / 66,136-99,355

Finding the Third Proportional to 66,136 and 99,355

Calculator

Solution

The third proportional to 66,136 and 99,355 is: 149,259.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,136 : 99,355 = 99,355 : x
  2. Step 2: Convert to fraction form
    66,136/99,355 = 99,355/x
  3. Step 3: Cross multiply
    66,136x = 99,355 × 99,355
  4. Step 4: Simplify right side
    66,136x = 9,871,416,025
  5. Step 5: Solve for x
    x = 9,871,416,025/66,136
  6. Step 6: Final answer
    x = 149,259.34

Related Problems

Find third proportional to 33,068 and 49,677.50
Half scale
Find third proportional to 132,272 and 198,710
Double scale
Find third proportional to 66,138 and 99,358
Similar ratio
Find third proportional to 99,204 and 149,032.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.