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Finding the Third Proportional to 12,524 and 19,420

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Solution

The third proportional to 12,524 and 19,420 is: 30,113.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,524 : 19,420 = 19,420 : x
  2. Step 2: Convert to fraction form
    12,524/19,420 = 19,420/x
  3. Step 3: Cross multiply
    12,524x = 19,420 × 19,420
  4. Step 4: Simplify right side
    12,524x = 377,136,400
  5. Step 5: Solve for x
    x = 377,136,400/12,524
  6. Step 6: Final answer
    x = 30,113.09

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.