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Finding the Third Proportional to 56,683 and 84,727

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Solution

The third proportional to 56,683 and 84,727 is: 126,645.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,683 : 84,727 = 84,727 : x
  2. Step 2: Convert to fraction form
    56,683/84,727 = 84,727/x
  3. Step 3: Cross multiply
    56,683x = 84,727 × 84,727
  4. Step 4: Simplify right side
    56,683x = 7,178,664,529
  5. Step 5: Solve for x
    x = 7,178,664,529/56,683
  6. Step 6: Final answer
    x = 126,645.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.