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Finding the Third Proportional to 55,564 and 108,330

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Solution

The third proportional to 55,564 and 108,330 is: 211,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,564 : 108,330 = 108,330 : x
  2. Step 2: Convert to fraction form
    55,564/108,330 = 108,330/x
  3. Step 3: Cross multiply
    55,564x = 108,330 × 108,330
  4. Step 4: Simplify right side
    55,564x = 11,735,388,900
  5. Step 5: Solve for x
    x = 11,735,388,900/55,564
  6. Step 6: Final answer
    x = 211,204.90

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.