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Finding the Third Proportional to 155,610 and 247,025

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Solution

The third proportional to 155,610 and 247,025 is: 392,142.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,610 : 247,025 = 247,025 : x
  2. Step 2: Convert to fraction form
    155,610/247,025 = 247,025/x
  3. Step 3: Cross multiply
    155,610x = 247,025 × 247,025
  4. Step 4: Simplify right side
    155,610x = 61,021,350,625
  5. Step 5: Solve for x
    x = 61,021,350,625/155,610
  6. Step 6: Final answer
    x = 392,142.86

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.