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Finding the Third Proportional to 74,476 and 115,844

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Solution

The third proportional to 74,476 and 115,844 is: 180,190.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,476 : 115,844 = 115,844 : x
  2. Step 2: Convert to fraction form
    74,476/115,844 = 115,844/x
  3. Step 3: Cross multiply
    74,476x = 115,844 × 115,844
  4. Step 4: Simplify right side
    74,476x = 13,419,832,336
  5. Step 5: Solve for x
    x = 13,419,832,336/74,476
  6. Step 6: Final answer
    x = 180,190.03

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.