Home / 13,800-29,808

Finding the Third Proportional to 13,800 and 29,808

Calculator

Solution

The third proportional to 13,800 and 29,808 is: 64,385.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,800 : 29,808 = 29,808 : x
  2. Step 2: Convert to fraction form
    13,800/29,808 = 29,808/x
  3. Step 3: Cross multiply
    13,800x = 29,808 × 29,808
  4. Step 4: Simplify right side
    13,800x = 888,516,864
  5. Step 5: Solve for x
    x = 888,516,864/13,800
  6. Step 6: Final answer
    x = 64,385.28

Related Problems

Find third proportional to 6,900 and 14,904
Half scale
Find third proportional to 27,600 and 59,616
Double scale
Find third proportional to 13,802 and 29,812
Similar ratio
Find third proportional to 20,700 and 44,712
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.