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Finding the Third Proportional to 4,657.75 and 7,046.88

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Solution

The third proportional to 4,657.75 and 7,046.88 is: 10,661.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,657.75 : 7,046.88 = 7,046.88 : x
  2. Step 2: Convert to fraction form
    4,657.75/7,046.88 = 7,046.88/x
  3. Step 3: Cross multiply
    4,657.75x = 7,046.88 × 7,046.88
  4. Step 4: Simplify right side
    4,657.75x = 49,658,447.27
  5. Step 5: Solve for x
    x = 49,658,447.27/4,657.75
  6. Step 6: Final answer
    x = 10,661.47

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.