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Finding the Third Proportional to 56,197.34 and 122,691.80

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Solution

The third proportional to 56,197.34 and 122,691.80 is: 267,864.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,197.34 : 122,691.80 = 122,691.80 : x
  2. Step 2: Convert to fraction form
    56,197.34/122,691.80 = 122,691.80/x
  3. Step 3: Cross multiply
    56,197.34x = 122,691.80 × 122,691.80
  4. Step 4: Simplify right side
    56,197.34x = 15,053,277,020.42
  5. Step 5: Solve for x
    x = 15,053,277,020.42/56,197.34
  6. Step 6: Final answer
    x = 267,864.60

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.