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Finding the Third Proportional to 74,704 and 112,137

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Solution

The third proportional to 74,704 and 112,137 is: 168,327.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,704 : 112,137 = 112,137 : x
  2. Step 2: Convert to fraction form
    74,704/112,137 = 112,137/x
  3. Step 3: Cross multiply
    74,704x = 112,137 × 112,137
  4. Step 4: Simplify right side
    74,704x = 12,574,706,769
  5. Step 5: Solve for x
    x = 12,574,706,769/74,704
  6. Step 6: Final answer
    x = 168,327.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.