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Finding the Third Proportional to 74,486 and 175,677

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Solution

The third proportional to 74,486 and 175,677 is: 414,338.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,486 : 175,677 = 175,677 : x
  2. Step 2: Convert to fraction form
    74,486/175,677 = 175,677/x
  3. Step 3: Cross multiply
    74,486x = 175,677 × 175,677
  4. Step 4: Simplify right side
    74,486x = 30,862,408,329
  5. Step 5: Solve for x
    x = 30,862,408,329/74,486
  6. Step 6: Final answer
    x = 414,338.38

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.