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Finding the Third Proportional to 55,578 and 119,844

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Solution

The third proportional to 55,578 and 119,844 is: 258,422.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,578 : 119,844 = 119,844 : x
  2. Step 2: Convert to fraction form
    55,578/119,844 = 119,844/x
  3. Step 3: Cross multiply
    55,578x = 119,844 × 119,844
  4. Step 4: Simplify right side
    55,578x = 14,362,584,336
  5. Step 5: Solve for x
    x = 14,362,584,336/55,578
  6. Step 6: Final answer
    x = 258,422.12

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.