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Finding the Third Proportional to 4,938 and 7,554

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Solution

The third proportional to 4,938 and 7,554 is: 11,555.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938 : 7,554 = 7,554 : x
  2. Step 2: Convert to fraction form
    4,938/7,554 = 7,554/x
  3. Step 3: Cross multiply
    4,938x = 7,554 × 7,554
  4. Step 4: Simplify right side
    4,938x = 57,062,916
  5. Step 5: Solve for x
    x = 57,062,916/4,938
  6. Step 6: Final answer
    x = 11,555.88

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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.