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Finding the Third Proportional to 109,829 and 239,796.38

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Solution

The third proportional to 109,829 and 239,796.38 is: 523,562.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,829 : 239,796.38 = 239,796.38 : x
  2. Step 2: Convert to fraction form
    109,829/239,796.38 = 239,796.38/x
  3. Step 3: Cross multiply
    109,829x = 239,796.38 × 239,796.38
  4. Step 4: Simplify right side
    109,829x = 57,502,301,463.14
  5. Step 5: Solve for x
    x = 57,502,301,463.14/109,829
  6. Step 6: Final answer
    x = 523,562.10

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.