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Finding the Third Proportional to 2,799 and 7,371

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Solution

The third proportional to 2,799 and 7,371 is: 19,411.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799 : 7,371 = 7,371 : x
  2. Step 2: Convert to fraction form
    2,799/7,371 = 7,371/x
  3. Step 3: Cross multiply
    2,799x = 7,371 × 7,371
  4. Step 4: Simplify right side
    2,799x = 54,331,641
  5. Step 5: Solve for x
    x = 54,331,641/2,799
  6. Step 6: Final answer
    x = 19,411.09

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Why These Related Problems?

These problems maintain the same ratio (2.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.