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Finding the Third Proportional to 603,621 and 1,279,197

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Solution

The third proportional to 603,621 and 1,279,197 is: 2,710,881.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,621 : 1,279,197 = 1,279,197 : x
  2. Step 2: Convert to fraction form
    603,621/1,279,197 = 1,279,197/x
  3. Step 3: Cross multiply
    603,621x = 1,279,197 × 1,279,197
  4. Step 4: Simplify right side
    603,621x = 1,636,344,964,809
  5. Step 5: Solve for x
    x = 1,636,344,964,809/603,621
  6. Step 6: Final answer
    x = 2,710,881.44

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.