Home / 157,158-339,210

Finding the Third Proportional to 157,158 and 339,210

Calculator

Solution

The third proportional to 157,158 and 339,210 is: 732,151.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,158 : 339,210 = 339,210 : x
  2. Step 2: Convert to fraction form
    157,158/339,210 = 339,210/x
  3. Step 3: Cross multiply
    157,158x = 339,210 × 339,210
  4. Step 4: Simplify right side
    157,158x = 115,063,424,100
  5. Step 5: Solve for x
    x = 115,063,424,100/157,158
  6. Step 6: Final answer
    x = 732,151.24

Related Problems

Find third proportional to 78,579 and 169,605
Half scale
Find third proportional to 314,316 and 678,420
Double scale
Find third proportional to 157,160 and 339,214
Similar ratio
Find third proportional to 235,737 and 508,815
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.