Home / 8,864-18,708

Finding the Third Proportional to 8,864 and 18,708

Calculator

Solution

The third proportional to 8,864 and 18,708 is: 39,484.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864 : 18,708 = 18,708 : x
  2. Step 2: Convert to fraction form
    8,864/18,708 = 18,708/x
  3. Step 3: Cross multiply
    8,864x = 18,708 × 18,708
  4. Step 4: Simplify right side
    8,864x = 349,989,264
  5. Step 5: Solve for x
    x = 349,989,264/8,864
  6. Step 6: Final answer
    x = 39,484.35

Related Problems

Find third proportional to 4,432 and 9,354
Half scale
Find third proportional to 17,728 and 37,416
Double scale
Find third proportional to 8,866 and 18,712
Similar ratio
Find third proportional to 13,296 and 28,062
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.