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Finding the Third Proportional to 520,644 and 804,562

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Solution

The third proportional to 520,644 and 804,562 is: 1,243,306.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,644 : 804,562 = 804,562 : x
  2. Step 2: Convert to fraction form
    520,644/804,562 = 804,562/x
  3. Step 3: Cross multiply
    520,644x = 804,562 × 804,562
  4. Step 4: Simplify right side
    520,644x = 647,320,011,844
  5. Step 5: Solve for x
    x = 647,320,011,844/520,644
  6. Step 6: Final answer
    x = 1,243,306.39

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.