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Finding the Third Proportional to 122,262.75 and 173,134.13

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Solution

The third proportional to 122,262.75 and 173,134.13 is: 245,172.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,262.75 : 173,134.13 = 173,134.13 : x
  2. Step 2: Convert to fraction form
    122,262.75/173,134.13 = 173,134.13/x
  3. Step 3: Cross multiply
    122,262.75x = 173,134.13 × 173,134.13
  4. Step 4: Simplify right side
    122,262.75x = 29,975,425,239.52
  5. Step 5: Solve for x
    x = 29,975,425,239.52/122,262.75
  6. Step 6: Final answer
    x = 245,172.18

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.