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Finding the Third Proportional to 331,236 and 524,718

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Solution

The third proportional to 331,236 and 524,718 is: 831,216.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,236 : 524,718 = 524,718 : x
  2. Step 2: Convert to fraction form
    331,236/524,718 = 524,718/x
  3. Step 3: Cross multiply
    331,236x = 524,718 × 524,718
  4. Step 4: Simplify right side
    331,236x = 275,328,979,524
  5. Step 5: Solve for x
    x = 275,328,979,524/331,236
  6. Step 6: Final answer
    x = 831,216.96

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.