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Finding the Third Proportional to 3,580.13 and 5,563.88

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Solution

The third proportional to 3,580.13 and 5,563.88 is: 8,646.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.13 : 5,563.88 = 5,563.88 : x
  2. Step 2: Convert to fraction form
    3,580.13/5,563.88 = 5,563.88/x
  3. Step 3: Cross multiply
    3,580.13x = 5,563.88 × 5,563.88
  4. Step 4: Simplify right side
    3,580.13x = 30,956,705.02
  5. Step 5: Solve for x
    x = 30,956,705.02/3,580.13
  6. Step 6: Final answer
    x = 8,646.82

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.