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Finding the Third Proportional to 18,928 and 29,622

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Solution

The third proportional to 18,928 and 29,622 is: 46,357.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,928 : 29,622 = 29,622 : x
  2. Step 2: Convert to fraction form
    18,928/29,622 = 29,622/x
  3. Step 3: Cross multiply
    18,928x = 29,622 × 29,622
  4. Step 4: Simplify right side
    18,928x = 877,462,884
  5. Step 5: Solve for x
    x = 877,462,884/18,928
  6. Step 6: Final answer
    x = 46,357.93

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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.