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Finding the Third Proportional to 311,944 and 465,834

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Solution

The third proportional to 311,944 and 465,834 is: 695,641.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,944 : 465,834 = 465,834 : x
  2. Step 2: Convert to fraction form
    311,944/465,834 = 465,834/x
  3. Step 3: Cross multiply
    311,944x = 465,834 × 465,834
  4. Step 4: Simplify right side
    311,944x = 217,001,315,556
  5. Step 5: Solve for x
    x = 217,001,315,556/311,944
  6. Step 6: Final answer
    x = 695,641.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.