Home / 137,136-207,165

Finding the Third Proportional to 137,136 and 207,165

Calculator

Solution

The third proportional to 137,136 and 207,165 is: 312,954.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,136 : 207,165 = 207,165 : x
  2. Step 2: Convert to fraction form
    137,136/207,165 = 207,165/x
  3. Step 3: Cross multiply
    137,136x = 207,165 × 207,165
  4. Step 4: Simplify right side
    137,136x = 42,917,337,225
  5. Step 5: Solve for x
    x = 42,917,337,225/137,136
  6. Step 6: Final answer
    x = 312,954.56

Related Problems

Find third proportional to 68,568 and 103,582.50
Half scale
Find third proportional to 274,272 and 414,330
Double scale
Find third proportional to 137,138 and 207,168
Similar ratio
Find third proportional to 205,704 and 310,747.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.