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Finding the Third Proportional to 573.13 and 1,281.38

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Solution

The third proportional to 573.13 and 1,281.38 is: 2,864.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.13 : 1,281.38 = 1,281.38 : x
  2. Step 2: Convert to fraction form
    573.13/1,281.38 = 1,281.38/x
  3. Step 3: Cross multiply
    573.13x = 1,281.38 × 1,281.38
  4. Step 4: Simplify right side
    573.13x = 1,641,921.89
  5. Step 5: Solve for x
    x = 1,641,921.89/573.13
  6. Step 6: Final answer
    x = 2,864.86

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Why These Related Problems?

These problems maintain the same ratio (2.24) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.