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Finding the Third Proportional to 155,175.75 and 247,060.13

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Solution

The third proportional to 155,175.75 and 247,060.13 is: 393,352.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,175.75 : 247,060.13 = 247,060.13 : x
  2. Step 2: Convert to fraction form
    155,175.75/247,060.13 = 247,060.13/x
  3. Step 3: Cross multiply
    155,175.75x = 247,060.13 × 247,060.13
  4. Step 4: Simplify right side
    155,175.75x = 61,038,705,365.02
  5. Step 5: Solve for x
    x = 61,038,705,365.02/155,175.75
  6. Step 6: Final answer
    x = 393,352.09

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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.