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Finding the Third Proportional to 8,862 and 18,910.50

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Solution

The third proportional to 8,862 and 18,910.50 is: 40,352.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862 : 18,910.50 = 18,910.50 : x
  2. Step 2: Convert to fraction form
    8,862/18,910.50 = 18,910.50/x
  3. Step 3: Cross multiply
    8,862x = 18,910.50 × 18,910.50
  4. Step 4: Simplify right side
    8,862x = 357,607,010.25
  5. Step 5: Solve for x
    x = 357,607,010.25/8,862
  6. Step 6: Final answer
    x = 40,352.86

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.