Home / 135,552-209,700

Finding the Third Proportional to 135,552 and 209,700

Calculator

Solution

The third proportional to 135,552 and 209,700 is: 324,407.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,552 : 209,700 = 209,700 : x
  2. Step 2: Convert to fraction form
    135,552/209,700 = 209,700/x
  3. Step 3: Cross multiply
    135,552x = 209,700 × 209,700
  4. Step 4: Simplify right side
    135,552x = 43,974,090,000
  5. Step 5: Solve for x
    x = 43,974,090,000/135,552
  6. Step 6: Final answer
    x = 324,407.53

Related Problems

Find third proportional to 67,776 and 104,850
Half scale
Find third proportional to 271,104 and 419,400
Double scale
Find third proportional to 135,554 and 209,703
Similar ratio
Find third proportional to 203,328 and 314,550
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.