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Finding the Third Proportional to 118,730.25 and 187,998.75

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Solution

The third proportional to 118,730.25 and 187,998.75 is: 297,679.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,730.25 : 187,998.75 = 187,998.75 : x
  2. Step 2: Convert to fraction form
    118,730.25/187,998.75 = 187,998.75/x
  3. Step 3: Cross multiply
    118,730.25x = 187,998.75 × 187,998.75
  4. Step 4: Simplify right side
    118,730.25x = 35,343,530,001.56
  5. Step 5: Solve for x
    x = 35,343,530,001.56/118,730.25
  6. Step 6: Final answer
    x = 297,679.24

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.