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Finding the Third Proportional to 119,040 and 261,888

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Solution

The third proportional to 119,040 and 261,888 is: 576,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,040 : 261,888 = 261,888 : x
  2. Step 2: Convert to fraction form
    119,040/261,888 = 261,888/x
  3. Step 3: Cross multiply
    119,040x = 261,888 × 261,888
  4. Step 4: Simplify right side
    119,040x = 68,585,324,544
  5. Step 5: Solve for x
    x = 68,585,324,544/119,040
  6. Step 6: Final answer
    x = 576,153.60

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.