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Finding the Third Proportional to 79,299 and 107,644.50

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Solution

The third proportional to 79,299 and 107,644.50 is: 146,122.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,299 : 107,644.50 = 107,644.50 : x
  2. Step 2: Convert to fraction form
    79,299/107,644.50 = 107,644.50/x
  3. Step 3: Cross multiply
    79,299x = 107,644.50 × 107,644.50
  4. Step 4: Simplify right side
    79,299x = 11,587,338,380.25
  5. Step 5: Solve for x
    x = 11,587,338,380.25/79,299
  6. Step 6: Final answer
    x = 146,122.12

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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.