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Finding the Third Proportional to 74,881.97 and 113,860.69

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Solution

The third proportional to 74,881.97 and 113,860.69 is: 173,129.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,881.97 : 113,860.69 = 113,860.69 : x
  2. Step 2: Convert to fraction form
    74,881.97/113,860.69 = 113,860.69/x
  3. Step 3: Cross multiply
    74,881.97x = 113,860.69 × 113,860.69
  4. Step 4: Simplify right side
    74,881.97x = 12,964,256,157.97
  5. Step 5: Solve for x
    x = 12,964,256,157.97/74,881.97
  6. Step 6: Final answer
    x = 173,129.21

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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.