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Finding the Third Proportional to 38,830.75 and 83,192.25

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Solution

The third proportional to 38,830.75 and 83,192.25 is: 178,233.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,830.75 : 83,192.25 = 83,192.25 : x
  2. Step 2: Convert to fraction form
    38,830.75/83,192.25 = 83,192.25/x
  3. Step 3: Cross multiply
    38,830.75x = 83,192.25 × 83,192.25
  4. Step 4: Simplify right side
    38,830.75x = 6,920,950,460.06
  5. Step 5: Solve for x
    x = 6,920,950,460.06/38,830.75
  6. Step 6: Final answer
    x = 178,233.76

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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.