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Finding the Third Proportional to 79,466 and 174,604

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Solution

The third proportional to 79,466 and 174,604 is: 383,642.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,466 : 174,604 = 174,604 : x
  2. Step 2: Convert to fraction form
    79,466/174,604 = 174,604/x
  3. Step 3: Cross multiply
    79,466x = 174,604 × 174,604
  4. Step 4: Simplify right side
    79,466x = 30,486,556,816
  5. Step 5: Solve for x
    x = 30,486,556,816/79,466
  6. Step 6: Final answer
    x = 383,642.78

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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.