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Finding the Third Proportional to 118,842.75 and 172,900.13

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Solution

The third proportional to 118,842.75 and 172,900.13 is: 251,546.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,842.75 : 172,900.13 = 172,900.13 : x
  2. Step 2: Convert to fraction form
    118,842.75/172,900.13 = 172,900.13/x
  3. Step 3: Cross multiply
    118,842.75x = 172,900.13 × 172,900.13
  4. Step 4: Simplify right side
    118,842.75x = 29,894,453,225.02
  5. Step 5: Solve for x
    x = 29,894,453,225.02/118,842.75
  6. Step 6: Final answer
    x = 251,546.29

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.