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Finding the Third Proportional to 7,663.50 and 14,760

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Solution

The third proportional to 7,663.50 and 14,760 is: 28,427.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663.50 : 14,760 = 14,760 : x
  2. Step 2: Convert to fraction form
    7,663.50/14,760 = 14,760/x
  3. Step 3: Cross multiply
    7,663.50x = 14,760 × 14,760
  4. Step 4: Simplify right side
    7,663.50x = 217,857,600
  5. Step 5: Solve for x
    x = 217,857,600/7,663.50
  6. Step 6: Final answer
    x = 28,427.95

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Why These Related Problems?

These problems maintain the same ratio (1.93) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.