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Finding the Third Proportional to 48,289.75 and 76,838.75

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Solution

The third proportional to 48,289.75 and 76,838.75 is: 122,265.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,289.75 : 76,838.75 = 76,838.75 : x
  2. Step 2: Convert to fraction form
    48,289.75/76,838.75 = 76,838.75/x
  3. Step 3: Cross multiply
    48,289.75x = 76,838.75 × 76,838.75
  4. Step 4: Simplify right side
    48,289.75x = 5,904,193,501.56
  5. Step 5: Solve for x
    x = 5,904,193,501.56/48,289.75
  6. Step 6: Final answer
    x = 122,265.98

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.