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Finding the Third Proportional to 38,516 and 83,616

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Solution

The third proportional to 38,516 and 83,616 is: 181,525.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,516 : 83,616 = 83,616 : x
  2. Step 2: Convert to fraction form
    38,516/83,616 = 83,616/x
  3. Step 3: Cross multiply
    38,516x = 83,616 × 83,616
  4. Step 4: Simplify right side
    38,516x = 6,991,635,456
  5. Step 5: Solve for x
    x = 6,991,635,456/38,516
  6. Step 6: Final answer
    x = 181,525.48

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.