Home / 8,664-13,437

Finding the Third Proportional to 8,664 and 13,437

Calculator

Solution

The third proportional to 8,664 and 13,437 is: 20,839.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664 : 13,437 = 13,437 : x
  2. Step 2: Convert to fraction form
    8,664/13,437 = 13,437/x
  3. Step 3: Cross multiply
    8,664x = 13,437 × 13,437
  4. Step 4: Simplify right side
    8,664x = 180,552,969
  5. Step 5: Solve for x
    x = 180,552,969/8,664
  6. Step 6: Final answer
    x = 20,839.45

Related Problems

Find third proportional to 4,332 and 6,718.50
Half scale
Find third proportional to 17,328 and 26,874
Double scale
Find third proportional to 8,666 and 13,440
Similar ratio
Find third proportional to 12,996 and 20,155.50
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.