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Finding the Third Proportional to 563.72 and 1,229.91

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Solution

The third proportional to 563.72 and 1,229.91 is: 2,683.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.72 : 1,229.91 = 1,229.91 : x
  2. Step 2: Convert to fraction form
    563.72/1,229.91 = 1,229.91/x
  3. Step 3: Cross multiply
    563.72x = 1,229.91 × 1,229.91
  4. Step 4: Simplify right side
    563.72x = 1,512,669.38
  5. Step 5: Solve for x
    x = 1,512,669.38/563.72
  6. Step 6: Final answer
    x = 2,683.38

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.