Home / 8,920-21,592

Finding the Third Proportional to 8,920 and 21,592

Calculator

Solution

The third proportional to 8,920 and 21,592 is: 52,266.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,920 : 21,592 = 21,592 : x
  2. Step 2: Convert to fraction form
    8,920/21,592 = 21,592/x
  3. Step 3: Cross multiply
    8,920x = 21,592 × 21,592
  4. Step 4: Simplify right side
    8,920x = 466,214,464
  5. Step 5: Solve for x
    x = 466,214,464/8,920
  6. Step 6: Final answer
    x = 52,266.20

Related Problems

Find third proportional to 4,460 and 10,796
Half scale
Find third proportional to 17,840 and 43,184
Double scale
Find third proportional to 8,922 and 21,597
Similar ratio
Find third proportional to 13,380 and 32,388
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.