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Finding the Third Proportional to 4,996.50 and 7,287

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Solution

The third proportional to 4,996.50 and 7,287 is: 10,627.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,996.50 : 7,287 = 7,287 : x
  2. Step 2: Convert to fraction form
    4,996.50/7,287 = 7,287/x
  3. Step 3: Cross multiply
    4,996.50x = 7,287 × 7,287
  4. Step 4: Simplify right side
    4,996.50x = 53,100,369
  5. Step 5: Solve for x
    x = 53,100,369/4,996.50
  6. Step 6: Final answer
    x = 10,627.51

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.