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Finding the Third Proportional to 176,265 and 387,522

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Solution

The third proportional to 176,265 and 387,522 is: 851,974.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,265 : 387,522 = 387,522 : x
  2. Step 2: Convert to fraction form
    176,265/387,522 = 387,522/x
  3. Step 3: Cross multiply
    176,265x = 387,522 × 387,522
  4. Step 4: Simplify right side
    176,265x = 150,173,300,484
  5. Step 5: Solve for x
    x = 150,173,300,484/176,265
  6. Step 6: Final answer
    x = 851,974.59

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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.