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Finding the Third Proportional to 3,370 and 7,419

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Solution

The third proportional to 3,370 and 7,419 is: 16,332.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370 : 7,419 = 7,419 : x
  2. Step 2: Convert to fraction form
    3,370/7,419 = 7,419/x
  3. Step 3: Cross multiply
    3,370x = 7,419 × 7,419
  4. Step 4: Simplify right side
    3,370x = 55,041,561
  5. Step 5: Solve for x
    x = 55,041,561/3,370
  6. Step 6: Final answer
    x = 16,332.81

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.