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Finding the Third Proportional to 3,476 and 7,355

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Solution

The third proportional to 3,476 and 7,355 is: 15,562.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476 : 7,355 = 7,355 : x
  2. Step 2: Convert to fraction form
    3,476/7,355 = 7,355/x
  3. Step 3: Cross multiply
    3,476x = 7,355 × 7,355
  4. Step 4: Simplify right side
    3,476x = 54,096,025
  5. Step 5: Solve for x
    x = 54,096,025/3,476
  6. Step 6: Final answer
    x = 15,562.72

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.