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Finding the Third Proportional to 28,005.75 and 60,750

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Solution

The third proportional to 28,005.75 and 60,750 is: 131,778.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,005.75 : 60,750 = 60,750 : x
  2. Step 2: Convert to fraction form
    28,005.75/60,750 = 60,750/x
  3. Step 3: Cross multiply
    28,005.75x = 60,750 × 60,750
  4. Step 4: Simplify right side
    28,005.75x = 3,690,562,500
  5. Step 5: Solve for x
    x = 3,690,562,500/28,005.75
  6. Step 6: Final answer
    x = 131,778.74

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.