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Finding the Third Proportional to 212,321 and 325,853

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Solution

The third proportional to 212,321 and 325,853 is: 500,092.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,321 : 325,853 = 325,853 : x
  2. Step 2: Convert to fraction form
    212,321/325,853 = 325,853/x
  3. Step 3: Cross multiply
    212,321x = 325,853 × 325,853
  4. Step 4: Simplify right side
    212,321x = 106,180,177,609
  5. Step 5: Solve for x
    x = 106,180,177,609/212,321
  6. Step 6: Final answer
    x = 500,092.68

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.