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Finding the Third Proportional to 49,270 and 104,421

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Solution

The third proportional to 49,270 and 104,421 is: 221,305.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,270 : 104,421 = 104,421 : x
  2. Step 2: Convert to fraction form
    49,270/104,421 = 104,421/x
  3. Step 3: Cross multiply
    49,270x = 104,421 × 104,421
  4. Step 4: Simplify right side
    49,270x = 10,903,745,241
  5. Step 5: Solve for x
    x = 10,903,745,241/49,270
  6. Step 6: Final answer
    x = 221,305.97

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.