Home / 22,520-38,640

Finding the Third Proportional to 22,520 and 38,640

Calculator

Solution

The third proportional to 22,520 and 38,640 is: 66,298.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,520 : 38,640 = 38,640 : x
  2. Step 2: Convert to fraction form
    22,520/38,640 = 38,640/x
  3. Step 3: Cross multiply
    22,520x = 38,640 × 38,640
  4. Step 4: Simplify right side
    22,520x = 1,493,049,600
  5. Step 5: Solve for x
    x = 1,493,049,600/22,520
  6. Step 6: Final answer
    x = 66,298.83

Related Problems

Find third proportional to 11,260 and 19,320
Half scale
Find third proportional to 45,040 and 77,280
Double scale
Find third proportional to 22,522 and 38,643
Similar ratio
Find third proportional to 33,780 and 57,960
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.