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Finding the Third Proportional to 5,545 and 11,715

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Solution

The third proportional to 5,545 and 11,715 is: 24,750.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545 : 11,715 = 11,715 : x
  2. Step 2: Convert to fraction form
    5,545/11,715 = 11,715/x
  3. Step 3: Cross multiply
    5,545x = 11,715 × 11,715
  4. Step 4: Simplify right side
    5,545x = 137,241,225
  5. Step 5: Solve for x
    x = 137,241,225/5,545
  6. Step 6: Final answer
    x = 24,750.45

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.