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Finding the Third Proportional to 19,072 and 29,812

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Solution

The third proportional to 19,072 and 29,812 is: 46,600.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,072 : 29,812 = 29,812 : x
  2. Step 2: Convert to fraction form
    19,072/29,812 = 29,812/x
  3. Step 3: Cross multiply
    19,072x = 29,812 × 29,812
  4. Step 4: Simplify right side
    19,072x = 888,755,344
  5. Step 5: Solve for x
    x = 888,755,344/19,072
  6. Step 6: Final answer
    x = 46,600.01

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.