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Finding the Third Proportional to 155,560 and 247,350

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Solution

The third proportional to 155,560 and 247,350 is: 393,301.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,560 : 247,350 = 247,350 : x
  2. Step 2: Convert to fraction form
    155,560/247,350 = 247,350/x
  3. Step 3: Cross multiply
    155,560x = 247,350 × 247,350
  4. Step 4: Simplify right side
    155,560x = 61,182,022,500
  5. Step 5: Solve for x
    x = 61,182,022,500/155,560
  6. Step 6: Final answer
    x = 393,301.76

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