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Finding the Third Proportional to 724,900 and 1,569,269

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Solution

The third proportional to 724,900 and 1,569,269 is: 3,397,165.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,900 : 1,569,269 = 1,569,269 : x
  2. Step 2: Convert to fraction form
    724,900/1,569,269 = 1,569,269/x
  3. Step 3: Cross multiply
    724,900x = 1,569,269 × 1,569,269
  4. Step 4: Simplify right side
    724,900x = 2,462,605,194,361
  5. Step 5: Solve for x
    x = 2,462,605,194,361/724,900
  6. Step 6: Final answer
    x = 3,397,165.39

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.