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Finding the Third Proportional to 9,822.75 and 15,021

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Solution

The third proportional to 9,822.75 and 15,021 is: 22,970.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,822.75 : 15,021 = 15,021 : x
  2. Step 2: Convert to fraction form
    9,822.75/15,021 = 15,021/x
  3. Step 3: Cross multiply
    9,822.75x = 15,021 × 15,021
  4. Step 4: Simplify right side
    9,822.75x = 225,630,441
  5. Step 5: Solve for x
    x = 225,630,441/9,822.75
  6. Step 6: Final answer
    x = 22,970.19

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.