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Finding the Third Proportional to 17,250 and 24,420

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Solution

The third proportional to 17,250 and 24,420 is: 34,570.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,250 : 24,420 = 24,420 : x
  2. Step 2: Convert to fraction form
    17,250/24,420 = 24,420/x
  3. Step 3: Cross multiply
    17,250x = 24,420 × 24,420
  4. Step 4: Simplify right side
    17,250x = 596,336,400
  5. Step 5: Solve for x
    x = 596,336,400/17,250
  6. Step 6: Final answer
    x = 34,570.23

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.