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Finding the Third Proportional to 545.13 and 1,183.15

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Solution

The third proportional to 545.13 and 1,183.15 is: 2,567.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    545.13 : 1,183.15 = 1,183.15 : x
  2. Step 2: Convert to fraction form
    545.13/1,183.15 = 1,183.15/x
  3. Step 3: Cross multiply
    545.13x = 1,183.15 × 1,183.15
  4. Step 4: Simplify right side
    545.13x = 1,399,840.23
  5. Step 5: Solve for x
    x = 1,399,840.23/545.13
  6. Step 6: Final answer
    x = 2,567.89

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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.