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Finding the Third Proportional to 171,320 and 368,890

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Solution

The third proportional to 171,320 and 368,890 is: 794,302.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,320 : 368,890 = 368,890 : x
  2. Step 2: Convert to fraction form
    171,320/368,890 = 368,890/x
  3. Step 3: Cross multiply
    171,320x = 368,890 × 368,890
  4. Step 4: Simplify right side
    171,320x = 136,079,832,100
  5. Step 5: Solve for x
    x = 136,079,832,100/171,320
  6. Step 6: Final answer
    x = 794,302.08

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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.