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Finding the Third Proportional to 5,377.50 and 11,578.88

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Solution

The third proportional to 5,377.50 and 11,578.88 is: 24,931.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.50 : 11,578.88 = 11,578.88 : x
  2. Step 2: Convert to fraction form
    5,377.50/11,578.88 = 11,578.88/x
  3. Step 3: Cross multiply
    5,377.50x = 11,578.88 × 11,578.88
  4. Step 4: Simplify right side
    5,377.50x = 134,070,346.27
  5. Step 5: Solve for x
    x = 134,070,346.27/5,377.50
  6. Step 6: Final answer
    x = 24,931.72

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.