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Finding the Third Proportional to 25,811 and 36,345

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Solution

The third proportional to 25,811 and 36,345 is: 51,178.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,811 : 36,345 = 36,345 : x
  2. Step 2: Convert to fraction form
    25,811/36,345 = 36,345/x
  3. Step 3: Cross multiply
    25,811x = 36,345 × 36,345
  4. Step 4: Simplify right side
    25,811x = 1,320,959,025
  5. Step 5: Solve for x
    x = 1,320,959,025/25,811
  6. Step 6: Final answer
    x = 51,178.14

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.