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Finding the Third Proportional to 535,418 and 713,811

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Solution

The third proportional to 535,418 and 713,811 is: 951,641.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,418 : 713,811 = 713,811 : x
  2. Step 2: Convert to fraction form
    535,418/713,811 = 713,811/x
  3. Step 3: Cross multiply
    535,418x = 713,811 × 713,811
  4. Step 4: Simplify right side
    535,418x = 509,526,143,721
  5. Step 5: Solve for x
    x = 509,526,143,721/535,418
  6. Step 6: Final answer
    x = 951,641.79

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.