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Finding the Third Proportional to 38,660 and 56,856

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Solution

The third proportional to 38,660 and 56,856 is: 83,616.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,660 : 56,856 = 56,856 : x
  2. Step 2: Convert to fraction form
    38,660/56,856 = 56,856/x
  3. Step 3: Cross multiply
    38,660x = 56,856 × 56,856
  4. Step 4: Simplify right side
    38,660x = 3,232,604,736
  5. Step 5: Solve for x
    x = 3,232,604,736/38,660
  6. Step 6: Final answer
    x = 83,616.26

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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.