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Finding the Third Proportional to 9,691 and 15,370.50

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Solution

The third proportional to 9,691 and 15,370.50 is: 24,378.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,691 : 15,370.50 = 15,370.50 : x
  2. Step 2: Convert to fraction form
    9,691/15,370.50 = 15,370.50/x
  3. Step 3: Cross multiply
    9,691x = 15,370.50 × 15,370.50
  4. Step 4: Simplify right side
    9,691x = 236,252,270.25
  5. Step 5: Solve for x
    x = 236,252,270.25/9,691
  6. Step 6: Final answer
    x = 24,378.52

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.