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Finding the Third Proportional to 520,662 and 804,588

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Solution

The third proportional to 520,662 and 804,588 is: 1,243,343.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,662 : 804,588 = 804,588 : x
  2. Step 2: Convert to fraction form
    520,662/804,588 = 804,588/x
  3. Step 3: Cross multiply
    520,662x = 804,588 × 804,588
  4. Step 4: Simplify right side
    520,662x = 647,361,849,744
  5. Step 5: Solve for x
    x = 647,361,849,744/520,662
  6. Step 6: Final answer
    x = 1,243,343.76

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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.