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Finding the Third Proportional to 236,469 and 513,126

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Solution

The third proportional to 236,469 and 513,126 is: 1,113,457.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,469 : 513,126 = 513,126 : x
  2. Step 2: Convert to fraction form
    236,469/513,126 = 513,126/x
  3. Step 3: Cross multiply
    236,469x = 513,126 × 513,126
  4. Step 4: Simplify right side
    236,469x = 263,298,291,876
  5. Step 5: Solve for x
    x = 263,298,291,876/236,469
  6. Step 6: Final answer
    x = 1,113,457.97

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.