Home / 76,590-165,510

Finding the Third Proportional to 76,590 and 165,510

Calculator

Solution

The third proportional to 76,590 and 165,510 is: 357,664.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,590 : 165,510 = 165,510 : x
  2. Step 2: Convert to fraction form
    76,590/165,510 = 165,510/x
  3. Step 3: Cross multiply
    76,590x = 165,510 × 165,510
  4. Step 4: Simplify right side
    76,590x = 27,393,560,100
  5. Step 5: Solve for x
    x = 27,393,560,100/76,590
  6. Step 6: Final answer
    x = 357,664.97

Related Problems

Find third proportional to 38,295 and 82,755
Half scale
Find third proportional to 153,180 and 331,020
Double scale
Find third proportional to 76,592 and 165,514
Similar ratio
Find third proportional to 114,885 and 248,265
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.