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Finding the Third Proportional to 148,432.50 and 229,911

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Solution

The third proportional to 148,432.50 and 229,911 is: 356,115.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,432.50 : 229,911 = 229,911 : x
  2. Step 2: Convert to fraction form
    148,432.50/229,911 = 229,911/x
  3. Step 3: Cross multiply
    148,432.50x = 229,911 × 229,911
  4. Step 4: Simplify right side
    148,432.50x = 52,859,067,921
  5. Step 5: Solve for x
    x = 52,859,067,921/148,432.50
  6. Step 6: Final answer
    x = 356,115.19

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.