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Finding the Third Proportional to 192,836.50 and 418,842

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Solution

The third proportional to 192,836.50 and 418,842 is: 909,727.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,836.50 : 418,842 = 418,842 : x
  2. Step 2: Convert to fraction form
    192,836.50/418,842 = 418,842/x
  3. Step 3: Cross multiply
    192,836.50x = 418,842 × 418,842
  4. Step 4: Simplify right side
    192,836.50x = 175,428,620,964
  5. Step 5: Solve for x
    x = 175,428,620,964/192,836.50
  6. Step 6: Final answer
    x = 909,727.26

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.