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Finding the Third Proportional to 204,071 and 306,890

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Solution

The third proportional to 204,071 and 306,890 is: 461,513.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,071 : 306,890 = 306,890 : x
  2. Step 2: Convert to fraction form
    204,071/306,890 = 306,890/x
  3. Step 3: Cross multiply
    204,071x = 306,890 × 306,890
  4. Step 4: Simplify right side
    204,071x = 94,181,472,100
  5. Step 5: Solve for x
    x = 94,181,472,100/204,071
  6. Step 6: Final answer
    x = 461,513.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.