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Finding the Third Proportional to 2,521 and 3,554

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Solution

The third proportional to 2,521 and 3,554 is: 5,010.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521 : 3,554 = 3,554 : x
  2. Step 2: Convert to fraction form
    2,521/3,554 = 3,554/x
  3. Step 3: Cross multiply
    2,521x = 3,554 × 3,554
  4. Step 4: Simplify right side
    2,521x = 12,630,916
  5. Step 5: Solve for x
    x = 12,630,916/2,521
  6. Step 6: Final answer
    x = 5,010.28

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.