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Finding the Third Proportional to 28,481.78 and 61,346.11

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Solution

The third proportional to 28,481.78 and 61,346.11 is: 132,131.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,481.78 : 61,346.11 = 61,346.11 : x
  2. Step 2: Convert to fraction form
    28,481.78/61,346.11 = 61,346.11/x
  3. Step 3: Cross multiply
    28,481.78x = 61,346.11 × 61,346.11
  4. Step 4: Simplify right side
    28,481.78x = 3,763,345,135.45
  5. Step 5: Solve for x
    x = 3,763,345,135.45/28,481.78
  6. Step 6: Final answer
    x = 132,131.65

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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.