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Finding the Third Proportional to 74,488 and 175,682

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Solution

The third proportional to 74,488 and 175,682 is: 414,350.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,488 : 175,682 = 175,682 : x
  2. Step 2: Convert to fraction form
    74,488/175,682 = 175,682/x
  3. Step 3: Cross multiply
    74,488x = 175,682 × 175,682
  4. Step 4: Simplify right side
    74,488x = 30,864,165,124
  5. Step 5: Solve for x
    x = 30,864,165,124/74,488
  6. Step 6: Final answer
    x = 414,350.84

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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.