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Finding the Third Proportional to 3,427 and 4,897

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Solution

The third proportional to 3,427 and 4,897 is: 6,997.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427 : 4,897 = 4,897 : x
  2. Step 2: Convert to fraction form
    3,427/4,897 = 4,897/x
  3. Step 3: Cross multiply
    3,427x = 4,897 × 4,897
  4. Step 4: Simplify right side
    3,427x = 23,980,609
  5. Step 5: Solve for x
    x = 23,980,609/3,427
  6. Step 6: Final answer
    x = 6,997.55

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.