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Finding the Third Proportional to 2,918 and 4,599

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Solution

The third proportional to 2,918 and 4,599 is: 7,248.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918 : 4,599 = 4,599 : x
  2. Step 2: Convert to fraction form
    2,918/4,599 = 4,599/x
  3. Step 3: Cross multiply
    2,918x = 4,599 × 4,599
  4. Step 4: Simplify right side
    2,918x = 21,150,801
  5. Step 5: Solve for x
    x = 21,150,801/2,918
  6. Step 6: Final answer
    x = 7,248.39

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.