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Finding the Third Proportional to 3,348 and 7,291

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Solution

The third proportional to 3,348 and 7,291 is: 15,877.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348 : 7,291 = 7,291 : x
  2. Step 2: Convert to fraction form
    3,348/7,291 = 7,291/x
  3. Step 3: Cross multiply
    3,348x = 7,291 × 7,291
  4. Step 4: Simplify right side
    3,348x = 53,158,681
  5. Step 5: Solve for x
    x = 53,158,681/3,348
  6. Step 6: Final answer
    x = 15,877.74

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.