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Finding the Third Proportional to 17,690 and 24,784

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Solution

The third proportional to 17,690 and 24,784 is: 34,722.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,690 : 24,784 = 24,784 : x
  2. Step 2: Convert to fraction form
    17,690/24,784 = 24,784/x
  3. Step 3: Cross multiply
    17,690x = 24,784 × 24,784
  4. Step 4: Simplify right side
    17,690x = 614,246,656
  5. Step 5: Solve for x
    x = 614,246,656/17,690
  6. Step 6: Final answer
    x = 34,722.82

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.