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Finding the Third Proportional to 15,717 and 33,895.50

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Solution

The third proportional to 15,717 and 33,895.50 is: 73,099.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,717 : 33,895.50 = 33,895.50 : x
  2. Step 2: Convert to fraction form
    15,717/33,895.50 = 33,895.50/x
  3. Step 3: Cross multiply
    15,717x = 33,895.50 × 33,895.50
  4. Step 4: Simplify right side
    15,717x = 1,148,904,920.25
  5. Step 5: Solve for x
    x = 1,148,904,920.25/15,717
  6. Step 6: Final answer
    x = 73,099.51

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.