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Finding the Third Proportional to 75,984 and 165,347

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Solution

The third proportional to 75,984 and 165,347 is: 359,807.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,984 : 165,347 = 165,347 : x
  2. Step 2: Convert to fraction form
    75,984/165,347 = 165,347/x
  3. Step 3: Cross multiply
    75,984x = 165,347 × 165,347
  4. Step 4: Simplify right side
    75,984x = 27,339,630,409
  5. Step 5: Solve for x
    x = 27,339,630,409/75,984
  6. Step 6: Final answer
    x = 359,807.73

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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.