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Finding the Third Proportional to 171,317.85 and 251,133.38

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Solution

The third proportional to 171,317.85 and 251,133.38 is: 368,134.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,317.85 : 251,133.38 = 251,133.38 : x
  2. Step 2: Convert to fraction form
    171,317.85/251,133.38 = 251,133.38/x
  3. Step 3: Cross multiply
    171,317.85x = 251,133.38 × 251,133.38
  4. Step 4: Simplify right side
    171,317.85x = 63,067,974,981.86
  5. Step 5: Solve for x
    x = 63,067,974,981.86/171,317.85
  6. Step 6: Final answer
    x = 368,134.29

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.