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Finding the Third Proportional to 4,617 and 5,791.50

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Solution

The third proportional to 4,617 and 5,791.50 is: 7,264.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,617 : 5,791.50 = 5,791.50 : x
  2. Step 2: Convert to fraction form
    4,617/5,791.50 = 5,791.50/x
  3. Step 3: Cross multiply
    4,617x = 5,791.50 × 5,791.50
  4. Step 4: Simplify right side
    4,617x = 33,541,472.25
  5. Step 5: Solve for x
    x = 33,541,472.25/4,617
  6. Step 6: Final answer
    x = 7,264.78

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Why These Related Problems?

These problems maintain the same ratio (1.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.