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Finding the Third Proportional to 331,788 and 503,826

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Solution

The third proportional to 331,788 and 503,826 is: 765,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,788 : 503,826 = 503,826 : x
  2. Step 2: Convert to fraction form
    331,788/503,826 = 503,826/x
  3. Step 3: Cross multiply
    331,788x = 503,826 × 503,826
  4. Step 4: Simplify right side
    331,788x = 253,840,638,276
  5. Step 5: Solve for x
    x = 253,840,638,276/331,788
  6. Step 6: Final answer
    x = 765,068.77

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.