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Finding the Third Proportional to 5,687 and 12,308

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Solution

The third proportional to 5,687 and 12,308 is: 26,637.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687 : 12,308 = 12,308 : x
  2. Step 2: Convert to fraction form
    5,687/12,308 = 12,308/x
  3. Step 3: Cross multiply
    5,687x = 12,308 × 12,308
  4. Step 4: Simplify right side
    5,687x = 151,486,864
  5. Step 5: Solve for x
    x = 151,486,864/5,687
  6. Step 6: Final answer
    x = 26,637.39

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.