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Finding the Third Proportional to 51,056 and 68,736

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Solution

The third proportional to 51,056 and 68,736 is: 92,538.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,056 : 68,736 = 68,736 : x
  2. Step 2: Convert to fraction form
    51,056/68,736 = 68,736/x
  3. Step 3: Cross multiply
    51,056x = 68,736 × 68,736
  4. Step 4: Simplify right side
    51,056x = 4,724,637,696
  5. Step 5: Solve for x
    x = 4,724,637,696/51,056
  6. Step 6: Final answer
    x = 92,538.34

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.