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Finding the Third Proportional to 431,524 and 675,462

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Solution

The third proportional to 431,524 and 675,462 is: 1,057,296.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,524 : 675,462 = 675,462 : x
  2. Step 2: Convert to fraction form
    431,524/675,462 = 675,462/x
  3. Step 3: Cross multiply
    431,524x = 675,462 × 675,462
  4. Step 4: Simplify right side
    431,524x = 456,248,913,444
  5. Step 5: Solve for x
    x = 456,248,913,444/431,524
  6. Step 6: Final answer
    x = 1,057,296.73

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.