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Finding the Third Proportional to 331,233.75 and 718,479

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Solution

The third proportional to 331,233.75 and 718,479 is: 1,558,452.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,233.75 : 718,479 = 718,479 : x
  2. Step 2: Convert to fraction form
    331,233.75/718,479 = 718,479/x
  3. Step 3: Cross multiply
    331,233.75x = 718,479 × 718,479
  4. Step 4: Simplify right side
    331,233.75x = 516,212,073,441
  5. Step 5: Solve for x
    x = 516,212,073,441/331,233.75
  6. Step 6: Final answer
    x = 1,558,452.52

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.