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Finding the Third Proportional to 19,445 and 29,161

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Solution

The third proportional to 19,445 and 29,161 is: 43,731.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,445 : 29,161 = 29,161 : x
  2. Step 2: Convert to fraction form
    19,445/29,161 = 29,161/x
  3. Step 3: Cross multiply
    19,445x = 29,161 × 29,161
  4. Step 4: Simplify right side
    19,445x = 850,363,921
  5. Step 5: Solve for x
    x = 850,363,921/19,445
  6. Step 6: Final answer
    x = 43,731.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.