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Finding the Third Proportional to 234,668 and 480,270

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Solution

The third proportional to 234,668 and 480,270 is: 982,917.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,668 : 480,270 = 480,270 : x
  2. Step 2: Convert to fraction form
    234,668/480,270 = 480,270/x
  3. Step 3: Cross multiply
    234,668x = 480,270 × 480,270
  4. Step 4: Simplify right side
    234,668x = 230,659,272,900
  5. Step 5: Solve for x
    x = 230,659,272,900/234,668
  6. Step 6: Final answer
    x = 982,917.45

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.