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Finding the Third Proportional to 8,528.63 and 15,211.55

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Solution

The third proportional to 8,528.63 and 15,211.55 is: 27,131.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.63 : 15,211.55 = 15,211.55 : x
  2. Step 2: Convert to fraction form
    8,528.63/15,211.55 = 15,211.55/x
  3. Step 3: Cross multiply
    8,528.63x = 15,211.55 × 15,211.55
  4. Step 4: Simplify right side
    8,528.63x = 231,391,158.33
  5. Step 5: Solve for x
    x = 231,391,158.33/8,528.63
  6. Step 6: Final answer
    x = 27,131.12

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.