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Finding the Third Proportional to 253,782 and 368,676

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Solution

The third proportional to 253,782 and 368,676 is: 535,585.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,782 : 368,676 = 368,676 : x
  2. Step 2: Convert to fraction form
    253,782/368,676 = 368,676/x
  3. Step 3: Cross multiply
    253,782x = 368,676 × 368,676
  4. Step 4: Simplify right side
    253,782x = 135,921,992,976
  5. Step 5: Solve for x
    x = 135,921,992,976/253,782
  6. Step 6: Final answer
    x = 535,585.63

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.