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Finding the Third Proportional to 54,960.75 and 119,763

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Solution

The third proportional to 54,960.75 and 119,763 is: 260,971.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,960.75 : 119,763 = 119,763 : x
  2. Step 2: Convert to fraction form
    54,960.75/119,763 = 119,763/x
  3. Step 3: Cross multiply
    54,960.75x = 119,763 × 119,763
  4. Step 4: Simplify right side
    54,960.75x = 14,343,176,169
  5. Step 5: Solve for x
    x = 14,343,176,169/54,960.75
  6. Step 6: Final answer
    x = 260,971.26

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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.