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Finding the Third Proportional to 3,490 and 7,452

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Solution

The third proportional to 3,490 and 7,452 is: 15,911.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490 : 7,452 = 7,452 : x
  2. Step 2: Convert to fraction form
    3,490/7,452 = 7,452/x
  3. Step 3: Cross multiply
    3,490x = 7,452 × 7,452
  4. Step 4: Simplify right side
    3,490x = 55,532,304
  5. Step 5: Solve for x
    x = 55,532,304/3,490
  6. Step 6: Final answer
    x = 15,911.83

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.