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Finding the Third Proportional to 111,250.13 and 172,580.63

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Solution

The third proportional to 111,250.13 and 172,580.63 is: 267,721.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,250.13 : 172,580.63 = 172,580.63 : x
  2. Step 2: Convert to fraction form
    111,250.13/172,580.63 = 172,580.63/x
  3. Step 3: Cross multiply
    111,250.13x = 172,580.63 × 172,580.63
  4. Step 4: Simplify right side
    111,250.13x = 29,784,072,125.39
  5. Step 5: Solve for x
    x = 29,784,072,125.39/111,250.13
  6. Step 6: Final answer
    x = 267,721.70

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.