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Finding the Third Proportional to 62,664 and 135,021

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Solution

The third proportional to 62,664 and 135,021 is: 290,927.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,664 : 135,021 = 135,021 : x
  2. Step 2: Convert to fraction form
    62,664/135,021 = 135,021/x
  3. Step 3: Cross multiply
    62,664x = 135,021 × 135,021
  4. Step 4: Simplify right side
    62,664x = 18,230,670,441
  5. Step 5: Solve for x
    x = 18,230,670,441/62,664
  6. Step 6: Final answer
    x = 290,927.33

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.