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Finding the Third Proportional to 4,428 and 6,662

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Solution

The third proportional to 4,428 and 6,662 is: 10,023.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428 : 6,662 = 6,662 : x
  2. Step 2: Convert to fraction form
    4,428/6,662 = 6,662/x
  3. Step 3: Cross multiply
    4,428x = 6,662 × 6,662
  4. Step 4: Simplify right side
    4,428x = 44,382,244
  5. Step 5: Solve for x
    x = 44,382,244/4,428
  6. Step 6: Final answer
    x = 10,023.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.