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Finding the Third Proportional to 39,651 and 85,944

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Solution

The third proportional to 39,651 and 85,944 is: 186,284.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,651 : 85,944 = 85,944 : x
  2. Step 2: Convert to fraction form
    39,651/85,944 = 85,944/x
  3. Step 3: Cross multiply
    39,651x = 85,944 × 85,944
  4. Step 4: Simplify right side
    39,651x = 7,386,371,136
  5. Step 5: Solve for x
    x = 7,386,371,136/39,651
  6. Step 6: Final answer
    x = 186,284.61

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.