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Finding the Third Proportional to 4,778 and 9,652

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Solution

The third proportional to 4,778 and 9,652 is: 19,497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778 : 9,652 = 9,652 : x
  2. Step 2: Convert to fraction form
    4,778/9,652 = 9,652/x
  3. Step 3: Cross multiply
    4,778x = 9,652 × 9,652
  4. Step 4: Simplify right side
    4,778x = 93,161,104
  5. Step 5: Solve for x
    x = 93,161,104/4,778
  6. Step 6: Final answer
    x = 19,497.93

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.