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Finding the Third Proportional to 38,328 and 57,256

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Solution

The third proportional to 38,328 and 57,256 is: 85,531.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,328 : 57,256 = 57,256 : x
  2. Step 2: Convert to fraction form
    38,328/57,256 = 57,256/x
  3. Step 3: Cross multiply
    38,328x = 57,256 × 57,256
  4. Step 4: Simplify right side
    38,328x = 3,278,249,536
  5. Step 5: Solve for x
    x = 3,278,249,536/38,328
  6. Step 6: Final answer
    x = 85,531.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.