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Finding the Third Proportional to 336,614 and 491,902

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Solution

The third proportional to 336,614 and 491,902 is: 718,828.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,614 : 491,902 = 491,902 : x
  2. Step 2: Convert to fraction form
    336,614/491,902 = 491,902/x
  3. Step 3: Cross multiply
    336,614x = 491,902 × 491,902
  4. Step 4: Simplify right side
    336,614x = 241,967,577,604
  5. Step 5: Solve for x
    x = 241,967,577,604/336,614
  6. Step 6: Final answer
    x = 718,828.03

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.