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Finding the Third Proportional to 54,605 and 119,470

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Solution

The third proportional to 54,605 and 119,470 is: 261,387.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,605 : 119,470 = 119,470 : x
  2. Step 2: Convert to fraction form
    54,605/119,470 = 119,470/x
  3. Step 3: Cross multiply
    54,605x = 119,470 × 119,470
  4. Step 4: Simplify right side
    54,605x = 14,273,080,900
  5. Step 5: Solve for x
    x = 14,273,080,900/54,605
  6. Step 6: Final answer
    x = 261,387.80

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.