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Finding the Third Proportional to 92,346 and 198,816

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Solution

The third proportional to 92,346 and 198,816 is: 428,040.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,346 : 198,816 = 198,816 : x
  2. Step 2: Convert to fraction form
    92,346/198,816 = 198,816/x
  3. Step 3: Cross multiply
    92,346x = 198,816 × 198,816
  4. Step 4: Simplify right side
    92,346x = 39,527,801,856
  5. Step 5: Solve for x
    x = 39,527,801,856/92,346
  6. Step 6: Final answer
    x = 428,040.22

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.