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Finding the Third Proportional to 19,189 and 29,948

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Solution

The third proportional to 19,189 and 29,948 is: 46,739.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,189 : 29,948 = 29,948 : x
  2. Step 2: Convert to fraction form
    19,189/29,948 = 29,948/x
  3. Step 3: Cross multiply
    19,189x = 29,948 × 29,948
  4. Step 4: Simplify right side
    19,189x = 896,882,704
  5. Step 5: Solve for x
    x = 896,882,704/19,189
  6. Step 6: Final answer
    x = 46,739.42

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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.