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Finding the Third Proportional to 153,885 and 230,212

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Solution

The third proportional to 153,885 and 230,212 is: 344,397.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,885 : 230,212 = 230,212 : x
  2. Step 2: Convert to fraction form
    153,885/230,212 = 230,212/x
  3. Step 3: Cross multiply
    153,885x = 230,212 × 230,212
  4. Step 4: Simplify right side
    153,885x = 52,997,564,944
  5. Step 5: Solve for x
    x = 52,997,564,944/153,885
  6. Step 6: Final answer
    x = 344,397.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.