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Finding the Third Proportional to 166,617.79 and 251,393.94

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Solution

The third proportional to 166,617.79 and 251,393.94 is: 379,304.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,617.79 : 251,393.94 = 251,393.94 : x
  2. Step 2: Convert to fraction form
    166,617.79/251,393.94 = 251,393.94/x
  3. Step 3: Cross multiply
    166,617.79x = 251,393.94 × 251,393.94
  4. Step 4: Simplify right side
    166,617.79x = 63,198,913,775.77
  5. Step 5: Solve for x
    x = 63,198,913,775.77/166,617.79
  6. Step 6: Final answer
    x = 379,304.72

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.