Home / 8,912-13,902

Finding the Third Proportional to 8,912 and 13,902

Calculator

Solution

The third proportional to 8,912 and 13,902 is: 21,686.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912 : 13,902 = 13,902 : x
  2. Step 2: Convert to fraction form
    8,912/13,902 = 13,902/x
  3. Step 3: Cross multiply
    8,912x = 13,902 × 13,902
  4. Step 4: Simplify right side
    8,912x = 193,265,604
  5. Step 5: Solve for x
    x = 193,265,604/8,912
  6. Step 6: Final answer
    x = 21,686.00

Related Problems

Find third proportional to 4,456 and 6,951
Half scale
Find third proportional to 17,824 and 27,804
Double scale
Find third proportional to 8,914 and 13,905
Similar ratio
Find third proportional to 13,368 and 20,853
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.