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Finding the Third Proportional to 38,516 and 80,056

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Solution

The third proportional to 38,516 and 80,056 is: 166,397.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,516 : 80,056 = 80,056 : x
  2. Step 2: Convert to fraction form
    38,516/80,056 = 80,056/x
  3. Step 3: Cross multiply
    38,516x = 80,056 × 80,056
  4. Step 4: Simplify right side
    38,516x = 6,408,963,136
  5. Step 5: Solve for x
    x = 6,408,963,136/38,516
  6. Step 6: Final answer
    x = 166,397.42

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.