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Finding the Third Proportional to 73,942 and 115,842

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Solution

The third proportional to 73,942 and 115,842 is: 181,485.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,942 : 115,842 = 115,842 : x
  2. Step 2: Convert to fraction form
    73,942/115,842 = 115,842/x
  3. Step 3: Cross multiply
    73,942x = 115,842 × 115,842
  4. Step 4: Simplify right side
    73,942x = 13,419,368,964
  5. Step 5: Solve for x
    x = 13,419,368,964/73,942
  6. Step 6: Final answer
    x = 181,485.07

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.