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Finding the Third Proportional to 269,671 and 586,910

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Solution

The third proportional to 269,671 and 586,910 is: 1,277,346.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,671 : 586,910 = 586,910 : x
  2. Step 2: Convert to fraction form
    269,671/586,910 = 586,910/x
  3. Step 3: Cross multiply
    269,671x = 586,910 × 586,910
  4. Step 4: Simplify right side
    269,671x = 344,463,348,100
  5. Step 5: Solve for x
    x = 344,463,348,100/269,671
  6. Step 6: Final answer
    x = 1,277,346.65

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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.