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Finding the Third Proportional to 29,938 and 65,617

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Solution

The third proportional to 29,938 and 65,617 is: 143,816.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,938 : 65,617 = 65,617 : x
  2. Step 2: Convert to fraction form
    29,938/65,617 = 65,617/x
  3. Step 3: Cross multiply
    29,938x = 65,617 × 65,617
  4. Step 4: Simplify right side
    29,938x = 4,305,590,689
  5. Step 5: Solve for x
    x = 4,305,590,689/29,938
  6. Step 6: Final answer
    x = 143,816.91

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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.