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Finding the Third Proportional to 42,736 and 93,728

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Solution

The third proportional to 42,736 and 93,728 is: 205,562.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,736 : 93,728 = 93,728 : x
  2. Step 2: Convert to fraction form
    42,736/93,728 = 93,728/x
  3. Step 3: Cross multiply
    42,736x = 93,728 × 93,728
  4. Step 4: Simplify right side
    42,736x = 8,784,937,984
  5. Step 5: Solve for x
    x = 8,784,937,984/42,736
  6. Step 6: Final answer
    x = 205,562.94

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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.