Home / 38,290-82,730

Finding the Third Proportional to 38,290 and 82,730

Calculator

Solution

The third proportional to 38,290 and 82,730 is: 178,747.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,290 : 82,730 = 82,730 : x
  2. Step 2: Convert to fraction form
    38,290/82,730 = 82,730/x
  3. Step 3: Cross multiply
    38,290x = 82,730 × 82,730
  4. Step 4: Simplify right side
    38,290x = 6,844,252,900
  5. Step 5: Solve for x
    x = 6,844,252,900/38,290
  6. Step 6: Final answer
    x = 178,747.79

Related Problems

Find third proportional to 19,145 and 41,365
Half scale
Find third proportional to 76,580 and 165,460
Double scale
Find third proportional to 38,292 and 82,734
Similar ratio
Find third proportional to 57,435 and 124,095
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.