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Finding the Third Proportional to 4,080 and 6,228

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Solution

The third proportional to 4,080 and 6,228 is: 9,506.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080 : 6,228 = 6,228 : x
  2. Step 2: Convert to fraction form
    4,080/6,228 = 6,228/x
  3. Step 3: Cross multiply
    4,080x = 6,228 × 6,228
  4. Step 4: Simplify right side
    4,080x = 38,787,984
  5. Step 5: Solve for x
    x = 38,787,984/4,080
  6. Step 6: Final answer
    x = 9,506.86

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.