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Finding the Third Proportional to 8,532 and 12,938

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Solution

The third proportional to 8,532 and 12,938 is: 19,619.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,532 : 12,938 = 12,938 : x
  2. Step 2: Convert to fraction form
    8,532/12,938 = 12,938/x
  3. Step 3: Cross multiply
    8,532x = 12,938 × 12,938
  4. Step 4: Simplify right side
    8,532x = 167,391,844
  5. Step 5: Solve for x
    x = 167,391,844/8,532
  6. Step 6: Final answer
    x = 19,619.30

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.