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Finding the Third Proportional to 148,542 and 230,117

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Solution

The third proportional to 148,542 and 230,117 is: 356,490.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,542 : 230,117 = 230,117 : x
  2. Step 2: Convert to fraction form
    148,542/230,117 = 230,117/x
  3. Step 3: Cross multiply
    148,542x = 230,117 × 230,117
  4. Step 4: Simplify right side
    148,542x = 52,953,833,689
  5. Step 5: Solve for x
    x = 52,953,833,689/148,542
  6. Step 6: Final answer
    x = 356,490.65

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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.