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Finding the Third Proportional to 49,270 and 108,381

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Solution

The third proportional to 49,270 and 108,381 is: 238,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,270 : 108,381 = 108,381 : x
  2. Step 2: Convert to fraction form
    49,270/108,381 = 108,381/x
  3. Step 3: Cross multiply
    49,270x = 108,381 × 108,381
  4. Step 4: Simplify right side
    49,270x = 11,746,441,161
  5. Step 5: Solve for x
    x = 11,746,441,161/49,270
  6. Step 6: Final answer
    x = 238,409.60

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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.