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Finding the Third Proportional to 231,064 and 479,664

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Solution

The third proportional to 231,064 and 479,664 is: 995,730.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,064 : 479,664 = 479,664 : x
  2. Step 2: Convert to fraction form
    231,064/479,664 = 479,664/x
  3. Step 3: Cross multiply
    231,064x = 479,664 × 479,664
  4. Step 4: Simplify right side
    231,064x = 230,077,552,896
  5. Step 5: Solve for x
    x = 230,077,552,896/231,064
  6. Step 6: Final answer
    x = 995,730.85

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.