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Finding the Third Proportional to 54,327 and 120,318

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Solution

The third proportional to 54,327 and 120,318 is: 266,468.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,327 : 120,318 = 120,318 : x
  2. Step 2: Convert to fraction form
    54,327/120,318 = 120,318/x
  3. Step 3: Cross multiply
    54,327x = 120,318 × 120,318
  4. Step 4: Simplify right side
    54,327x = 14,476,421,124
  5. Step 5: Solve for x
    x = 14,476,421,124/54,327
  6. Step 6: Final answer
    x = 266,468.26

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.