Home / 9,090-13,899

Finding the Third Proportional to 9,090 and 13,899

Calculator

Solution

The third proportional to 9,090 and 13,899 is: 21,252.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090 : 13,899 = 13,899 : x
  2. Step 2: Convert to fraction form
    9,090/13,899 = 13,899/x
  3. Step 3: Cross multiply
    9,090x = 13,899 × 13,899
  4. Step 4: Simplify right side
    9,090x = 193,182,201
  5. Step 5: Solve for x
    x = 193,182,201/9,090
  6. Step 6: Final answer
    x = 21,252.17

Related Problems

Find third proportional to 4,545 and 6,949.50
Half scale
Find third proportional to 18,180 and 27,798
Double scale
Find third proportional to 9,092 and 13,902
Similar ratio
Find third proportional to 13,635 and 20,848.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.