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Finding the Third Proportional to 2,887.31 and 6,292.69

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Solution

The third proportional to 2,887.31 and 6,292.69 is: 13,714.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.31 : 6,292.69 = 6,292.69 : x
  2. Step 2: Convert to fraction form
    2,887.31/6,292.69 = 6,292.69/x
  3. Step 3: Cross multiply
    2,887.31x = 6,292.69 × 6,292.69
  4. Step 4: Simplify right side
    2,887.31x = 39,597,915.97
  5. Step 5: Solve for x
    x = 39,597,915.97/2,887.31
  6. Step 6: Final answer
    x = 13,714.45

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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.