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Finding the Third Proportional to 56,685.75 and 123,576.75

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Solution

The third proportional to 56,685.75 and 123,576.75 is: 269,401.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,685.75 : 123,576.75 = 123,576.75 : x
  2. Step 2: Convert to fraction form
    56,685.75/123,576.75 = 123,576.75/x
  3. Step 3: Cross multiply
    56,685.75x = 123,576.75 × 123,576.75
  4. Step 4: Simplify right side
    56,685.75x = 15,271,213,140.56
  5. Step 5: Solve for x
    x = 15,271,213,140.56/56,685.75
  6. Step 6: Final answer
    x = 269,401.27

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.