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Finding the Third Proportional to 4,778 and 11,306

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Solution

The third proportional to 4,778 and 11,306 is: 26,752.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778 : 11,306 = 11,306 : x
  2. Step 2: Convert to fraction form
    4,778/11,306 = 11,306/x
  3. Step 3: Cross multiply
    4,778x = 11,306 × 11,306
  4. Step 4: Simplify right side
    4,778x = 127,825,636
  5. Step 5: Solve for x
    x = 127,825,636/4,778
  6. Step 6: Final answer
    x = 26,752.96

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Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.