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Finding the Third Proportional to 113,531 and 171,869

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Solution

The third proportional to 113,531 and 171,869 is: 260,184.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,531 : 171,869 = 171,869 : x
  2. Step 2: Convert to fraction form
    113,531/171,869 = 171,869/x
  3. Step 3: Cross multiply
    113,531x = 171,869 × 171,869
  4. Step 4: Simplify right side
    113,531x = 29,538,953,161
  5. Step 5: Solve for x
    x = 29,538,953,161/113,531
  6. Step 6: Final answer
    x = 260,184.03

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.