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Finding the Third Proportional to 16,938 and 36,702

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Solution

The third proportional to 16,938 and 36,702 is: 79,527.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,938 : 36,702 = 36,702 : x
  2. Step 2: Convert to fraction form
    16,938/36,702 = 36,702/x
  3. Step 3: Cross multiply
    16,938x = 36,702 × 36,702
  4. Step 4: Simplify right side
    16,938x = 1,347,036,804
  5. Step 5: Solve for x
    x = 1,347,036,804/16,938
  6. Step 6: Final answer
    x = 79,527.50

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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.