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Finding the Third Proportional to 5,623.50 and 12,561

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Solution

The third proportional to 5,623.50 and 12,561 is: 28,057.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.50 : 12,561 = 12,561 : x
  2. Step 2: Convert to fraction form
    5,623.50/12,561 = 12,561/x
  3. Step 3: Cross multiply
    5,623.50x = 12,561 × 12,561
  4. Step 4: Simplify right side
    5,623.50x = 157,778,721
  5. Step 5: Solve for x
    x = 157,778,721/5,623.50
  6. Step 6: Final answer
    x = 28,057.03

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.