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Finding the Third Proportional to 18,176 and 38,942

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Solution

The third proportional to 18,176 and 38,942 is: 83,433.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,176 : 38,942 = 38,942 : x
  2. Step 2: Convert to fraction form
    18,176/38,942 = 38,942/x
  3. Step 3: Cross multiply
    18,176x = 38,942 × 38,942
  4. Step 4: Simplify right side
    18,176x = 1,516,479,364
  5. Step 5: Solve for x
    x = 1,516,479,364/18,176
  6. Step 6: Final answer
    x = 83,433.06

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.