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Finding the Third Proportional to 75,368 and 165,532

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Solution

The third proportional to 75,368 and 165,532 is: 363,560.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,368 : 165,532 = 165,532 : x
  2. Step 2: Convert to fraction form
    75,368/165,532 = 165,532/x
  3. Step 3: Cross multiply
    75,368x = 165,532 × 165,532
  4. Step 4: Simplify right side
    75,368x = 27,400,843,024
  5. Step 5: Solve for x
    x = 27,400,843,024/75,368
  6. Step 6: Final answer
    x = 363,560.70

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.