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Finding the Third Proportional to 35,916 and 75,756

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Solution

The third proportional to 35,916 and 75,756 is: 159,788.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,916 : 75,756 = 75,756 : x
  2. Step 2: Convert to fraction form
    35,916/75,756 = 75,756/x
  3. Step 3: Cross multiply
    35,916x = 75,756 × 75,756
  4. Step 4: Simplify right side
    35,916x = 5,738,971,536
  5. Step 5: Solve for x
    x = 5,738,971,536/35,916
  6. Step 6: Final answer
    x = 159,788.72

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.