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Finding the Third Proportional to 9,693 and 13,081.50

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Solution

The third proportional to 9,693 and 13,081.50 is: 17,654.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,693 : 13,081.50 = 13,081.50 : x
  2. Step 2: Convert to fraction form
    9,693/13,081.50 = 13,081.50/x
  3. Step 3: Cross multiply
    9,693x = 13,081.50 × 13,081.50
  4. Step 4: Simplify right side
    9,693x = 171,125,642.25
  5. Step 5: Solve for x
    x = 171,125,642.25/9,693
  6. Step 6: Final answer
    x = 17,654.56

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.