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Finding the Third Proportional to 3,370 and 4,897

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Solution

The third proportional to 3,370 and 4,897 is: 7,115.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370 : 4,897 = 4,897 : x
  2. Step 2: Convert to fraction form
    3,370/4,897 = 4,897/x
  3. Step 3: Cross multiply
    3,370x = 4,897 × 4,897
  4. Step 4: Simplify right side
    3,370x = 23,980,609
  5. Step 5: Solve for x
    x = 23,980,609/3,370
  6. Step 6: Final answer
    x = 7,115.91

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.