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Finding the Third Proportional to 115,657.88 and 177,997.50

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Solution

The third proportional to 115,657.88 and 177,997.50 is: 273,938.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,657.88 : 177,997.50 = 177,997.50 : x
  2. Step 2: Convert to fraction form
    115,657.88/177,997.50 = 177,997.50/x
  3. Step 3: Cross multiply
    115,657.88x = 177,997.50 × 177,997.50
  4. Step 4: Simplify right side
    115,657.88x = 31,683,110,006.25
  5. Step 5: Solve for x
    x = 31,683,110,006.25/115,657.88
  6. Step 6: Final answer
    x = 273,938.20

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.