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Finding the Third Proportional to 34,072 and 73,322

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Solution

The third proportional to 34,072 and 73,322 is: 157,786.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,072 : 73,322 = 73,322 : x
  2. Step 2: Convert to fraction form
    34,072/73,322 = 73,322/x
  3. Step 3: Cross multiply
    34,072x = 73,322 × 73,322
  4. Step 4: Simplify right side
    34,072x = 5,376,115,684
  5. Step 5: Solve for x
    x = 5,376,115,684/34,072
  6. Step 6: Final answer
    x = 157,786.91

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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.