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Finding the Third Proportional to 143,864 and 293,432

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Solution

The third proportional to 143,864 and 293,432 is: 598,498.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,864 : 293,432 = 293,432 : x
  2. Step 2: Convert to fraction form
    143,864/293,432 = 293,432/x
  3. Step 3: Cross multiply
    143,864x = 293,432 × 293,432
  4. Step 4: Simplify right side
    143,864x = 86,102,338,624
  5. Step 5: Solve for x
    x = 86,102,338,624/143,864
  6. Step 6: Final answer
    x = 598,498.16

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.