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Finding the Third Proportional to 75,976 and 165,328

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Solution

The third proportional to 75,976 and 165,328 is: 359,762.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,976 : 165,328 = 165,328 : x
  2. Step 2: Convert to fraction form
    75,976/165,328 = 165,328/x
  3. Step 3: Cross multiply
    75,976x = 165,328 × 165,328
  4. Step 4: Simplify right side
    75,976x = 27,333,347,584
  5. Step 5: Solve for x
    x = 27,333,347,584/75,976
  6. Step 6: Final answer
    x = 359,762.92

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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.