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Finding the Third Proportional to 21,048 and 45,177

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Solution

The third proportional to 21,048 and 45,177 is: 96,967.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,048 : 45,177 = 45,177 : x
  2. Step 2: Convert to fraction form
    21,048/45,177 = 45,177/x
  3. Step 3: Cross multiply
    21,048x = 45,177 × 45,177
  4. Step 4: Simplify right side
    21,048x = 2,040,961,329
  5. Step 5: Solve for x
    x = 2,040,961,329/21,048
  6. Step 6: Final answer
    x = 96,967.00

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.