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Finding the Third Proportional to 146,128 and 219,192

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Solution

The third proportional to 146,128 and 219,192 is: 328,788

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,128 : 219,192 = 219,192 : x
  2. Step 2: Convert to fraction form
    146,128/219,192 = 219,192/x
  3. Step 3: Cross multiply
    146,128x = 219,192 × 219,192
  4. Step 4: Simplify right side
    146,128x = 48,045,132,864
  5. Step 5: Solve for x
    x = 48,045,132,864/146,128
  6. Step 6: Final answer
    x = 328,788

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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.