Home / 130,918-207,636

Finding the Third Proportional to 130,918 and 207,636

Calculator

Solution

The third proportional to 130,918 and 207,636 is: 329,310.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,918 : 207,636 = 207,636 : x
  2. Step 2: Convert to fraction form
    130,918/207,636 = 207,636/x
  3. Step 3: Cross multiply
    130,918x = 207,636 × 207,636
  4. Step 4: Simplify right side
    130,918x = 43,112,708,496
  5. Step 5: Solve for x
    x = 43,112,708,496/130,918
  6. Step 6: Final answer
    x = 329,310.78

Related Problems

Find third proportional to 65,459 and 103,818
Half scale
Find third proportional to 261,836 and 415,272
Double scale
Find third proportional to 130,920 and 207,639
Similar ratio
Find third proportional to 196,377 and 311,454
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.