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Finding the Third Proportional to 74,432 and 160,525

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Solution

The third proportional to 74,432 and 160,525 is: 346,198.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,432 : 160,525 = 160,525 : x
  2. Step 2: Convert to fraction form
    74,432/160,525 = 160,525/x
  3. Step 3: Cross multiply
    74,432x = 160,525 × 160,525
  4. Step 4: Simplify right side
    74,432x = 25,768,275,625
  5. Step 5: Solve for x
    x = 25,768,275,625/74,432
  6. Step 6: Final answer
    x = 346,198.89

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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.