Home / 39,672-82,630

Finding the Third Proportional to 39,672 and 82,630

Calculator

Solution

The third proportional to 39,672 and 82,630 is: 172,104.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,672 : 82,630 = 82,630 : x
  2. Step 2: Convert to fraction form
    39,672/82,630 = 82,630/x
  3. Step 3: Cross multiply
    39,672x = 82,630 × 82,630
  4. Step 4: Simplify right side
    39,672x = 6,827,716,900
  5. Step 5: Solve for x
    x = 6,827,716,900/39,672
  6. Step 6: Final answer
    x = 172,104.18

Related Problems

Find third proportional to 19,836 and 41,315
Half scale
Find third proportional to 79,344 and 165,260
Double scale
Find third proportional to 39,674 and 82,634
Similar ratio
Find third proportional to 59,508 and 123,945
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.