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Finding the Third Proportional to 9,765.75 and 15,144

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Solution

The third proportional to 9,765.75 and 15,144 is: 23,484.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,765.75 : 15,144 = 15,144 : x
  2. Step 2: Convert to fraction form
    9,765.75/15,144 = 15,144/x
  3. Step 3: Cross multiply
    9,765.75x = 15,144 × 15,144
  4. Step 4: Simplify right side
    9,765.75x = 229,340,736
  5. Step 5: Solve for x
    x = 229,340,736/9,765.75
  6. Step 6: Final answer
    x = 23,484.19

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.