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Finding the Third Proportional to 271,230 and 590,678

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Solution

The third proportional to 271,230 and 590,678 is: 1,286,363.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,230 : 590,678 = 590,678 : x
  2. Step 2: Convert to fraction form
    271,230/590,678 = 590,678/x
  3. Step 3: Cross multiply
    271,230x = 590,678 × 590,678
  4. Step 4: Simplify right side
    271,230x = 348,900,499,684
  5. Step 5: Solve for x
    x = 348,900,499,684/271,230
  6. Step 6: Final answer
    x = 1,286,363.97

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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.