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Finding the Third Proportional to 119,422 and 251,803

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Solution

The third proportional to 119,422 and 251,803 is: 530,930.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,422 : 251,803 = 251,803 : x
  2. Step 2: Convert to fraction form
    119,422/251,803 = 251,803/x
  3. Step 3: Cross multiply
    119,422x = 251,803 × 251,803
  4. Step 4: Simplify right side
    119,422x = 63,404,750,809
  5. Step 5: Solve for x
    x = 63,404,750,809/119,422
  6. Step 6: Final answer
    x = 530,930.24

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.