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Finding the Third Proportional to 12,531 and 19,350

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Solution

The third proportional to 12,531 and 19,350 is: 29,879.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531 : 19,350 = 19,350 : x
  2. Step 2: Convert to fraction form
    12,531/19,350 = 19,350/x
  3. Step 3: Cross multiply
    12,531x = 19,350 × 19,350
  4. Step 4: Simplify right side
    12,531x = 374,422,500
  5. Step 5: Solve for x
    x = 374,422,500/12,531
  6. Step 6: Final answer
    x = 29,879.70

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.