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Finding the Third Proportional to 171,573 and 247,515

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Solution

The third proportional to 171,573 and 247,515 is: 357,070.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,573 : 247,515 = 247,515 : x
  2. Step 2: Convert to fraction form
    171,573/247,515 = 247,515/x
  3. Step 3: Cross multiply
    171,573x = 247,515 × 247,515
  4. Step 4: Simplify right side
    171,573x = 61,263,675,225
  5. Step 5: Solve for x
    x = 61,263,675,225/171,573
  6. Step 6: Final answer
    x = 357,070.61

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.