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Finding the Third Proportional to 3,126.56 and 4,397.34

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Solution

The third proportional to 3,126.56 and 4,397.34 is: 6,184.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.56 : 4,397.34 = 4,397.34 : x
  2. Step 2: Convert to fraction form
    3,126.56/4,397.34 = 4,397.34/x
  3. Step 3: Cross multiply
    3,126.56x = 4,397.34 × 4,397.34
  4. Step 4: Simplify right side
    3,126.56x = 19,336,632.06
  5. Step 5: Solve for x
    x = 19,336,632.06/3,126.56
  6. Step 6: Final answer
    x = 6,184.63

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.