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Finding the Third Proportional to 29,398 and 63,215

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Solution

The third proportional to 29,398 and 63,215 is: 135,932.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,398 : 63,215 = 63,215 : x
  2. Step 2: Convert to fraction form
    29,398/63,215 = 63,215/x
  3. Step 3: Cross multiply
    29,398x = 63,215 × 63,215
  4. Step 4: Simplify right side
    29,398x = 3,996,136,225
  5. Step 5: Solve for x
    x = 3,996,136,225/29,398
  6. Step 6: Final answer
    x = 135,932.25

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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.