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Finding the Third Proportional to 92,828 and 197,320

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Solution

The third proportional to 92,828 and 197,320 is: 419,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,828 : 197,320 = 197,320 : x
  2. Step 2: Convert to fraction form
    92,828/197,320 = 197,320/x
  3. Step 3: Cross multiply
    92,828x = 197,320 × 197,320
  4. Step 4: Simplify right side
    92,828x = 38,935,182,400
  5. Step 5: Solve for x
    x = 38,935,182,400/92,828
  6. Step 6: Final answer
    x = 419,433.60

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.