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Finding the Third Proportional to 144,626 and 313,384

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Solution

The third proportional to 144,626 and 313,384 is: 679,058.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,626 : 313,384 = 313,384 : x
  2. Step 2: Convert to fraction form
    144,626/313,384 = 313,384/x
  3. Step 3: Cross multiply
    144,626x = 313,384 × 313,384
  4. Step 4: Simplify right side
    144,626x = 98,209,531,456
  5. Step 5: Solve for x
    x = 98,209,531,456/144,626
  6. Step 6: Final answer
    x = 679,058.62

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.