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Finding the Third Proportional to 76,344.75 and 115,354.13

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Solution

The third proportional to 76,344.75 and 115,354.13 is: 174,295.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,344.75 : 115,354.13 = 115,354.13 : x
  2. Step 2: Convert to fraction form
    76,344.75/115,354.13 = 115,354.13/x
  3. Step 3: Cross multiply
    76,344.75x = 115,354.13 × 115,354.13
  4. Step 4: Simplify right side
    76,344.75x = 13,306,574,154.52
  5. Step 5: Solve for x
    x = 13,306,574,154.52/76,344.75
  6. Step 6: Final answer
    x = 174,295.86

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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.