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Finding the Third Proportional to 5,600 and 12,641

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Solution

The third proportional to 5,600 and 12,641 is: 28,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,600 : 12,641 = 12,641 : x
  2. Step 2: Convert to fraction form
    5,600/12,641 = 12,641/x
  3. Step 3: Cross multiply
    5,600x = 12,641 × 12,641
  4. Step 4: Simplify right side
    5,600x = 159,794,881
  5. Step 5: Solve for x
    x = 159,794,881/5,600
  6. Step 6: Final answer
    x = 28,534.80

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.