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Finding the Third Proportional to 144,520 and 219,568

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Solution

The third proportional to 144,520 and 219,568 is: 333,587.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,520 : 219,568 = 219,568 : x
  2. Step 2: Convert to fraction form
    144,520/219,568 = 219,568/x
  3. Step 3: Cross multiply
    144,520x = 219,568 × 219,568
  4. Step 4: Simplify right side
    144,520x = 48,210,106,624
  5. Step 5: Solve for x
    x = 48,210,106,624/144,520
  6. Step 6: Final answer
    x = 333,587.78

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.