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Finding the Third Proportional to 35,349 and 74,790

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Solution

The third proportional to 35,349 and 74,790 is: 158,237.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,349 : 74,790 = 74,790 : x
  2. Step 2: Convert to fraction form
    35,349/74,790 = 74,790/x
  3. Step 3: Cross multiply
    35,349x = 74,790 × 74,790
  4. Step 4: Simplify right side
    35,349x = 5,593,544,100
  5. Step 5: Solve for x
    x = 5,593,544,100/35,349
  6. Step 6: Final answer
    x = 158,237.69

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.