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Finding the Third Proportional to 12,915 and 26,377.88

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Solution

The third proportional to 12,915 and 26,377.88 is: 53,874.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,915 : 26,377.88 = 26,377.88 : x
  2. Step 2: Convert to fraction form
    12,915/26,377.88 = 26,377.88/x
  3. Step 3: Cross multiply
    12,915x = 26,377.88 × 26,377.88
  4. Step 4: Simplify right side
    12,915x = 695,792,289.52
  5. Step 5: Solve for x
    x = 695,792,289.52/12,915
  6. Step 6: Final answer
    x = 53,874.74

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.