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Finding the Third Proportional to 15,966 and 34,305

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Solution

The third proportional to 15,966 and 34,305 is: 73,708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,966 : 34,305 = 34,305 : x
  2. Step 2: Convert to fraction form
    15,966/34,305 = 34,305/x
  3. Step 3: Cross multiply
    15,966x = 34,305 × 34,305
  4. Step 4: Simplify right side
    15,966x = 1,176,833,025
  5. Step 5: Solve for x
    x = 1,176,833,025/15,966
  6. Step 6: Final answer
    x = 73,708.70

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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.