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Finding the Third Proportional to 38,392 and 83,072

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Solution

The third proportional to 38,392 and 83,072 is: 179,749.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,392 : 83,072 = 83,072 : x
  2. Step 2: Convert to fraction form
    38,392/83,072 = 83,072/x
  3. Step 3: Cross multiply
    38,392x = 83,072 × 83,072
  4. Step 4: Simplify right side
    38,392x = 6,900,957,184
  5. Step 5: Solve for x
    x = 6,900,957,184/38,392
  6. Step 6: Final answer
    x = 179,749.87

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.