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Finding the Third Proportional to 45,872 and 70,529

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Solution

The third proportional to 45,872 and 70,529 is: 108,439.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,872 : 70,529 = 70,529 : x
  2. Step 2: Convert to fraction form
    45,872/70,529 = 70,529/x
  3. Step 3: Cross multiply
    45,872x = 70,529 × 70,529
  4. Step 4: Simplify right side
    45,872x = 4,974,339,841
  5. Step 5: Solve for x
    x = 4,974,339,841/45,872
  6. Step 6: Final answer
    x = 108,439.57

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.