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Finding the Third Proportional to 87,212.75 and 118,360.25

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Solution

The third proportional to 87,212.75 and 118,360.25 is: 160,631.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,212.75 : 118,360.25 = 118,360.25 : x
  2. Step 2: Convert to fraction form
    87,212.75/118,360.25 = 118,360.25/x
  3. Step 3: Cross multiply
    87,212.75x = 118,360.25 × 118,360.25
  4. Step 4: Simplify right side
    87,212.75x = 14,009,148,780.06
  5. Step 5: Solve for x
    x = 14,009,148,780.06/87,212.75
  6. Step 6: Final answer
    x = 160,631.89

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.