Home / 8,862-18,138

Finding the Third Proportional to 8,862 and 18,138

Calculator

Solution

The third proportional to 8,862 and 18,138 is: 37,123.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862 : 18,138 = 18,138 : x
  2. Step 2: Convert to fraction form
    8,862/18,138 = 18,138/x
  3. Step 3: Cross multiply
    8,862x = 18,138 × 18,138
  4. Step 4: Simplify right side
    8,862x = 328,987,044
  5. Step 5: Solve for x
    x = 328,987,044/8,862
  6. Step 6: Final answer
    x = 37,123.34

Related Problems

Find third proportional to 4,431 and 9,069
Half scale
Find third proportional to 17,724 and 36,276
Double scale
Find third proportional to 8,864 and 18,142
Similar ratio
Find third proportional to 13,293 and 27,207
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.