Home / 51,510-79,716

Finding the Third Proportional to 51,510 and 79,716

Calculator

Solution

The third proportional to 51,510 and 79,716 is: 123,367.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,510 : 79,716 = 79,716 : x
  2. Step 2: Convert to fraction form
    51,510/79,716 = 79,716/x
  3. Step 3: Cross multiply
    51,510x = 79,716 × 79,716
  4. Step 4: Simplify right side
    51,510x = 6,354,640,656
  5. Step 5: Solve for x
    x = 6,354,640,656/51,510
  6. Step 6: Final answer
    x = 123,367.13

Related Problems

Find third proportional to 25,755 and 39,858
Half scale
Find third proportional to 103,020 and 159,432
Double scale
Find third proportional to 51,512 and 79,719
Similar ratio
Find third proportional to 77,265 and 119,574
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.