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Finding the Third Proportional to 425,483 and 629,814

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Solution

The third proportional to 425,483 and 629,814 is: 932,271.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,483 : 629,814 = 629,814 : x
  2. Step 2: Convert to fraction form
    425,483/629,814 = 629,814/x
  3. Step 3: Cross multiply
    425,483x = 629,814 × 629,814
  4. Step 4: Simplify right side
    425,483x = 396,665,674,596
  5. Step 5: Solve for x
    x = 396,665,674,596/425,483
  6. Step 6: Final answer
    x = 932,271.50

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.