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Finding the Third Proportional to 12,531 and 26,685

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Solution

The third proportional to 12,531 and 26,685 is: 56,826.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531 : 26,685 = 26,685 : x
  2. Step 2: Convert to fraction form
    12,531/26,685 = 26,685/x
  3. Step 3: Cross multiply
    12,531x = 26,685 × 26,685
  4. Step 4: Simplify right side
    12,531x = 712,089,225
  5. Step 5: Solve for x
    x = 712,089,225/12,531
  6. Step 6: Final answer
    x = 56,826.21

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.