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Finding the Third Proportional to 38,838 and 83,517

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Solution

The third proportional to 38,838 and 83,517 is: 179,594.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,838 : 83,517 = 83,517 : x
  2. Step 2: Convert to fraction form
    38,838/83,517 = 83,517/x
  3. Step 3: Cross multiply
    38,838x = 83,517 × 83,517
  4. Step 4: Simplify right side
    38,838x = 6,975,089,289
  5. Step 5: Solve for x
    x = 6,975,089,289/38,838
  6. Step 6: Final answer
    x = 179,594.45

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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.