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Finding the Third Proportional to 28,350 and 66,217.50

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Solution

The third proportional to 28,350 and 66,217.50 is: 154,665.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,350 : 66,217.50 = 66,217.50 : x
  2. Step 2: Convert to fraction form
    28,350/66,217.50 = 66,217.50/x
  3. Step 3: Cross multiply
    28,350x = 66,217.50 × 66,217.50
  4. Step 4: Simplify right side
    28,350x = 4,384,757,306.25
  5. Step 5: Solve for x
    x = 4,384,757,306.25/28,350
  6. Step 6: Final answer
    x = 154,665.16

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.