Home / 39,172-82,376

Finding the Third Proportional to 39,172 and 82,376

Calculator

Solution

The third proportional to 39,172 and 82,376 is: 173,231.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,172 : 82,376 = 82,376 : x
  2. Step 2: Convert to fraction form
    39,172/82,376 = 82,376/x
  3. Step 3: Cross multiply
    39,172x = 82,376 × 82,376
  4. Step 4: Simplify right side
    39,172x = 6,785,805,376
  5. Step 5: Solve for x
    x = 6,785,805,376/39,172
  6. Step 6: Final answer
    x = 173,231.02

Related Problems

Find third proportional to 19,586 and 41,188
Half scale
Find third proportional to 78,344 and 164,752
Double scale
Find third proportional to 39,174 and 82,380
Similar ratio
Find third proportional to 58,758 and 123,564
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.