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Finding the Third Proportional to 19,965 and 29,949

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Solution

The third proportional to 19,965 and 29,949 is: 44,925.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,965 : 29,949 = 29,949 : x
  2. Step 2: Convert to fraction form
    19,965/29,949 = 29,949/x
  3. Step 3: Cross multiply
    19,965x = 29,949 × 29,949
  4. Step 4: Simplify right side
    19,965x = 896,942,601
  5. Step 5: Solve for x
    x = 896,942,601/19,965
  6. Step 6: Final answer
    x = 44,925.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.