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Finding the Third Proportional to 324,909 and 484,668

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Solution

The third proportional to 324,909 and 484,668 is: 722,981.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,909 : 484,668 = 484,668 : x
  2. Step 2: Convert to fraction form
    324,909/484,668 = 484,668/x
  3. Step 3: Cross multiply
    324,909x = 484,668 × 484,668
  4. Step 4: Simplify right side
    324,909x = 234,903,070,224
  5. Step 5: Solve for x
    x = 234,903,070,224/324,909
  6. Step 6: Final answer
    x = 722,981.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.