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Finding the Third Proportional to 58,822 and 138,836

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Solution

The third proportional to 58,822 and 138,836 is: 327,690.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,822 : 138,836 = 138,836 : x
  2. Step 2: Convert to fraction form
    58,822/138,836 = 138,836/x
  3. Step 3: Cross multiply
    58,822x = 138,836 × 138,836
  4. Step 4: Simplify right side
    58,822x = 19,275,434,896
  5. Step 5: Solve for x
    x = 19,275,434,896/58,822
  6. Step 6: Final answer
    x = 327,690.91

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.