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Finding the Third Proportional to 726,529 and 997,329

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Solution

The third proportional to 726,529 and 997,329 is: 1,369,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,529 : 997,329 = 997,329 : x
  2. Step 2: Convert to fraction form
    726,529/997,329 = 997,329/x
  3. Step 3: Cross multiply
    726,529x = 997,329 × 997,329
  4. Step 4: Simplify right side
    726,529x = 994,665,134,241
  5. Step 5: Solve for x
    x = 994,665,134,241/726,529
  6. Step 6: Final answer
    x = 1,369,064.60

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.