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Finding the Third Proportional to 192,304 and 286,856

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Solution

The third proportional to 192,304 and 286,856 is: 427,897.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,304 : 286,856 = 286,856 : x
  2. Step 2: Convert to fraction form
    192,304/286,856 = 286,856/x
  3. Step 3: Cross multiply
    192,304x = 286,856 × 286,856
  4. Step 4: Simplify right side
    192,304x = 82,286,364,736
  5. Step 5: Solve for x
    x = 82,286,364,736/192,304
  6. Step 6: Final answer
    x = 427,897.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.