Home / 53,280-82,782

Finding the Third Proportional to 53,280 and 82,782

Calculator

Solution

The third proportional to 53,280 and 82,782 is: 128,619.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,280 : 82,782 = 82,782 : x
  2. Step 2: Convert to fraction form
    53,280/82,782 = 82,782/x
  3. Step 3: Cross multiply
    53,280x = 82,782 × 82,782
  4. Step 4: Simplify right side
    53,280x = 6,852,859,524
  5. Step 5: Solve for x
    x = 6,852,859,524/53,280
  6. Step 6: Final answer
    x = 128,619.74

Related Problems

Find third proportional to 26,640 and 41,391
Half scale
Find third proportional to 106,560 and 165,564
Double scale
Find third proportional to 53,282 and 82,785
Similar ratio
Find third proportional to 79,920 and 124,173
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.