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Finding the Third Proportional to 17,315 and 24,759

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Solution

The third proportional to 17,315 and 24,759 is: 35,403.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,315 : 24,759 = 24,759 : x
  2. Step 2: Convert to fraction form
    17,315/24,759 = 24,759/x
  3. Step 3: Cross multiply
    17,315x = 24,759 × 24,759
  4. Step 4: Simplify right side
    17,315x = 613,008,081
  5. Step 5: Solve for x
    x = 613,008,081/17,315
  6. Step 6: Final answer
    x = 35,403.30

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.