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Finding the Third Proportional to 39,948 and 86,944

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Solution

The third proportional to 39,948 and 86,944 is: 189,227.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,948 : 86,944 = 86,944 : x
  2. Step 2: Convert to fraction form
    39,948/86,944 = 86,944/x
  3. Step 3: Cross multiply
    39,948x = 86,944 × 86,944
  4. Step 4: Simplify right side
    39,948x = 7,559,259,136
  5. Step 5: Solve for x
    x = 7,559,259,136/39,948
  6. Step 6: Final answer
    x = 189,227.47

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.