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Finding the Third Proportional to 582,553 and 787,067

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Solution

The third proportional to 582,553 and 787,067 is: 1,063,378.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,553 : 787,067 = 787,067 : x
  2. Step 2: Convert to fraction form
    582,553/787,067 = 787,067/x
  3. Step 3: Cross multiply
    582,553x = 787,067 × 787,067
  4. Step 4: Simplify right side
    582,553x = 619,474,462,489
  5. Step 5: Solve for x
    x = 619,474,462,489/582,553
  6. Step 6: Final answer
    x = 1,063,378.72

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.