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Finding the Third Proportional to 170,890.70 and 368,076.66

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Solution

The third proportional to 170,890.70 and 368,076.66 is: 792,789.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,890.70 : 368,076.66 = 368,076.66 : x
  2. Step 2: Convert to fraction form
    170,890.70/368,076.66 = 368,076.66/x
  3. Step 3: Cross multiply
    170,890.70x = 368,076.66 × 368,076.66
  4. Step 4: Simplify right side
    170,890.70x = 135,480,424,876.18
  5. Step 5: Solve for x
    x = 135,480,424,876.18/170,890.70
  6. Step 6: Final answer
    x = 792,789.93

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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.