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Finding the Third Proportional to 215,273 and 331,994

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Solution

The third proportional to 215,273 and 331,994 is: 512,001.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,273 : 331,994 = 331,994 : x
  2. Step 2: Convert to fraction form
    215,273/331,994 = 331,994/x
  3. Step 3: Cross multiply
    215,273x = 331,994 × 331,994
  4. Step 4: Simplify right side
    215,273x = 110,220,016,036
  5. Step 5: Solve for x
    x = 110,220,016,036/215,273
  6. Step 6: Final answer
    x = 512,001.12

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.