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Finding the Third Proportional to 8,977.50 and 12,850.50

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Solution

The third proportional to 8,977.50 and 12,850.50 is: 18,394.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977.50 : 12,850.50 = 12,850.50 : x
  2. Step 2: Convert to fraction form
    8,977.50/12,850.50 = 12,850.50/x
  3. Step 3: Cross multiply
    8,977.50x = 12,850.50 × 12,850.50
  4. Step 4: Simplify right side
    8,977.50x = 165,135,350.25
  5. Step 5: Solve for x
    x = 165,135,350.25/8,977.50
  6. Step 6: Final answer
    x = 18,394.36

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.