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Finding the Third Proportional to 79,356.38 and 107,654.63

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Solution

The third proportional to 79,356.38 and 107,654.63 is: 146,043.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,356.38 : 107,654.63 = 107,654.63 : x
  2. Step 2: Convert to fraction form
    79,356.38/107,654.63 = 107,654.63/x
  3. Step 3: Cross multiply
    79,356.38x = 107,654.63 × 107,654.63
  4. Step 4: Simplify right side
    79,356.38x = 11,589,518,283.89
  5. Step 5: Solve for x
    x = 11,589,518,283.89/79,356.38
  6. Step 6: Final answer
    x = 146,043.95

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.