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Finding the Third Proportional to 192,320 and 298,560

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Solution

The third proportional to 192,320 and 298,560 is: 463,488.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,320 : 298,560 = 298,560 : x
  2. Step 2: Convert to fraction form
    192,320/298,560 = 298,560/x
  3. Step 3: Cross multiply
    192,320x = 298,560 × 298,560
  4. Step 4: Simplify right side
    192,320x = 89,138,073,600
  5. Step 5: Solve for x
    x = 89,138,073,600/192,320
  6. Step 6: Final answer
    x = 463,488.32

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.