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Finding the Third Proportional to 54,872 and 119,788

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Solution

The third proportional to 54,872 and 119,788 is: 261,502.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,872 : 119,788 = 119,788 : x
  2. Step 2: Convert to fraction form
    54,872/119,788 = 119,788/x
  3. Step 3: Cross multiply
    54,872x = 119,788 × 119,788
  4. Step 4: Simplify right side
    54,872x = 14,349,164,944
  5. Step 5: Solve for x
    x = 14,349,164,944/54,872
  6. Step 6: Final answer
    x = 261,502.50

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.