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Finding the Third Proportional to 4,938 and 10,629

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Solution

The third proportional to 4,938 and 10,629 is: 22,878.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938 : 10,629 = 10,629 : x
  2. Step 2: Convert to fraction form
    4,938/10,629 = 10,629/x
  3. Step 3: Cross multiply
    4,938x = 10,629 × 10,629
  4. Step 4: Simplify right side
    4,938x = 112,975,641
  5. Step 5: Solve for x
    x = 112,975,641/4,938
  6. Step 6: Final answer
    x = 22,878.83

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.