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Finding the Third Proportional to 19,731 and 43,350

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Solution

The third proportional to 19,731 and 43,350 is: 95,242.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,731 : 43,350 = 43,350 : x
  2. Step 2: Convert to fraction form
    19,731/43,350 = 43,350/x
  3. Step 3: Cross multiply
    19,731x = 43,350 × 43,350
  4. Step 4: Simplify right side
    19,731x = 1,879,222,500
  5. Step 5: Solve for x
    x = 1,879,222,500/19,731
  6. Step 6: Final answer
    x = 95,242.13

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.