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Finding the Third Proportional to 12,576.25 and 17,019

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Solution

The third proportional to 12,576.25 and 17,019 is: 23,031.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576.25 : 17,019 = 17,019 : x
  2. Step 2: Convert to fraction form
    12,576.25/17,019 = 17,019/x
  3. Step 3: Cross multiply
    12,576.25x = 17,019 × 17,019
  4. Step 4: Simplify right side
    12,576.25x = 289,646,361
  5. Step 5: Solve for x
    x = 289,646,361/12,576.25
  6. Step 6: Final answer
    x = 23,031.22

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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.