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Finding the Third Proportional to 29,998 and 65,645

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Solution

The third proportional to 29,998 and 65,645 is: 143,651.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,998 : 65,645 = 65,645 : x
  2. Step 2: Convert to fraction form
    29,998/65,645 = 65,645/x
  3. Step 3: Cross multiply
    29,998x = 65,645 × 65,645
  4. Step 4: Simplify right side
    29,998x = 4,309,266,025
  5. Step 5: Solve for x
    x = 4,309,266,025/29,998
  6. Step 6: Final answer
    x = 143,651.78

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.