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Finding the Third Proportional to 153,770 and 332,812

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Solution

The third proportional to 153,770 and 332,812 is: 720,321.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,770 : 332,812 = 332,812 : x
  2. Step 2: Convert to fraction form
    153,770/332,812 = 332,812/x
  3. Step 3: Cross multiply
    153,770x = 332,812 × 332,812
  4. Step 4: Simplify right side
    153,770x = 110,763,827,344
  5. Step 5: Solve for x
    x = 110,763,827,344/153,770
  6. Step 6: Final answer
    x = 720,321.44

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.