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Finding the Third Proportional to 49,912 and 109,394

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Solution

The third proportional to 49,912 and 109,394 is: 239,762.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,912 : 109,394 = 109,394 : x
  2. Step 2: Convert to fraction form
    49,912/109,394 = 109,394/x
  3. Step 3: Cross multiply
    49,912x = 109,394 × 109,394
  4. Step 4: Simplify right side
    49,912x = 11,967,047,236
  5. Step 5: Solve for x
    x = 11,967,047,236/49,912
  6. Step 6: Final answer
    x = 239,762.93

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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.