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Finding the Third Proportional to 38,238.50 and 56,228

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Solution

The third proportional to 38,238.50 and 56,228 is: 82,680.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,238.50 : 56,228 = 56,228 : x
  2. Step 2: Convert to fraction form
    38,238.50/56,228 = 56,228/x
  3. Step 3: Cross multiply
    38,238.50x = 56,228 × 56,228
  4. Step 4: Simplify right side
    38,238.50x = 3,161,587,984
  5. Step 5: Solve for x
    x = 3,161,587,984/38,238.50
  6. Step 6: Final answer
    x = 82,680.75

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.