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Finding the Third Proportional to 4,772.67 and 11,430.49

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Solution

The third proportional to 4,772.67 and 11,430.49 is: 27,375.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,772.67 : 11,430.49 = 11,430.49 : x
  2. Step 2: Convert to fraction form
    4,772.67/11,430.49 = 11,430.49/x
  3. Step 3: Cross multiply
    4,772.67x = 11,430.49 × 11,430.49
  4. Step 4: Simplify right side
    4,772.67x = 130,656,151.65
  5. Step 5: Solve for x
    x = 130,656,151.65/4,772.67
  6. Step 6: Final answer
    x = 27,375.89

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Why These Related Problems?

These problems maintain the same ratio (2.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.