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Finding the Third Proportional to 39,938 and 52,995

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Solution

The third proportional to 39,938 and 52,995 is: 70,320.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,938 : 52,995 = 52,995 : x
  2. Step 2: Convert to fraction form
    39,938/52,995 = 52,995/x
  3. Step 3: Cross multiply
    39,938x = 52,995 × 52,995
  4. Step 4: Simplify right side
    39,938x = 2,808,470,025
  5. Step 5: Solve for x
    x = 2,808,470,025/39,938
  6. Step 6: Final answer
    x = 70,320.75

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.