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Finding the Third Proportional to 2,730 and 6,417

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Solution

The third proportional to 2,730 and 6,417 is: 15,083.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730 : 6,417 = 6,417 : x
  2. Step 2: Convert to fraction form
    2,730/6,417 = 6,417/x
  3. Step 3: Cross multiply
    2,730x = 6,417 × 6,417
  4. Step 4: Simplify right side
    2,730x = 41,177,889
  5. Step 5: Solve for x
    x = 41,177,889/2,730
  6. Step 6: Final answer
    x = 15,083.48

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.