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Finding the Third Proportional to 5,865 and 12,495

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Solution

The third proportional to 5,865 and 12,495 is: 26,619.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,865 : 12,495 = 12,495 : x
  2. Step 2: Convert to fraction form
    5,865/12,495 = 12,495/x
  3. Step 3: Cross multiply
    5,865x = 12,495 × 12,495
  4. Step 4: Simplify right side
    5,865x = 156,125,025
  5. Step 5: Solve for x
    x = 156,125,025/5,865
  6. Step 6: Final answer
    x = 26,619.78

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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.