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Finding the Third Proportional to 5,913 and 13,686.75

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Solution

The third proportional to 5,913 and 13,686.75 is: 31,680.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913 : 13,686.75 = 13,686.75 : x
  2. Step 2: Convert to fraction form
    5,913/13,686.75 = 13,686.75/x
  3. Step 3: Cross multiply
    5,913x = 13,686.75 × 13,686.75
  4. Step 4: Simplify right side
    5,913x = 187,327,125.56
  5. Step 5: Solve for x
    x = 187,327,125.56/5,913
  6. Step 6: Final answer
    x = 31,680.56

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.