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Finding the Third Proportional to 4,549.50 and 4,686.75

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Solution

The third proportional to 4,549.50 and 4,686.75 is: 4,828.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,549.50 : 4,686.75 = 4,686.75 : x
  2. Step 2: Convert to fraction form
    4,549.50/4,686.75 = 4,686.75/x
  3. Step 3: Cross multiply
    4,549.50x = 4,686.75 × 4,686.75
  4. Step 4: Simplify right side
    4,549.50x = 21,965,625.56
  5. Step 5: Solve for x
    x = 21,965,625.56/4,549.50
  6. Step 6: Final answer
    x = 4,828.14

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Why These Related Problems?

These problems maintain the same ratio (1.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.