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Finding the Third Proportional to 21,297 and 45,325

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Solution

The third proportional to 21,297 and 45,325 is: 96,462.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,297 : 45,325 = 45,325 : x
  2. Step 2: Convert to fraction form
    21,297/45,325 = 45,325/x
  3. Step 3: Cross multiply
    21,297x = 45,325 × 45,325
  4. Step 4: Simplify right side
    21,297x = 2,054,355,625
  5. Step 5: Solve for x
    x = 2,054,355,625/21,297
  6. Step 6: Final answer
    x = 96,462.21

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.