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Finding the Third Proportional to 76,576 and 165,452

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Solution

The third proportional to 76,576 and 165,452 is: 357,479.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,576 : 165,452 = 165,452 : x
  2. Step 2: Convert to fraction form
    76,576/165,452 = 165,452/x
  3. Step 3: Cross multiply
    76,576x = 165,452 × 165,452
  4. Step 4: Simplify right side
    76,576x = 27,374,364,304
  5. Step 5: Solve for x
    x = 27,374,364,304/76,576
  6. Step 6: Final answer
    x = 357,479.68

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.