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Finding the Third Proportional to 34,690 and 49,571

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Solution

The third proportional to 34,690 and 49,571 is: 70,835.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,690 : 49,571 = 49,571 : x
  2. Step 2: Convert to fraction form
    34,690/49,571 = 49,571/x
  3. Step 3: Cross multiply
    34,690x = 49,571 × 49,571
  4. Step 4: Simplify right side
    34,690x = 2,457,284,041
  5. Step 5: Solve for x
    x = 2,457,284,041/34,690
  6. Step 6: Final answer
    x = 70,835.52

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.