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Finding the Third Proportional to 127,379 and 269,929

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Solution

The third proportional to 127,379 and 269,929 is: 572,006.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,379 : 269,929 = 269,929 : x
  2. Step 2: Convert to fraction form
    127,379/269,929 = 269,929/x
  3. Step 3: Cross multiply
    127,379x = 269,929 × 269,929
  4. Step 4: Simplify right side
    127,379x = 72,861,665,041
  5. Step 5: Solve for x
    x = 72,861,665,041/127,379
  6. Step 6: Final answer
    x = 572,006.89

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.