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Finding the Third Proportional to 727,198 and 1,562,342

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Solution

The third proportional to 727,198 and 1,562,342 is: 3,356,599.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,198 : 1,562,342 = 1,562,342 : x
  2. Step 2: Convert to fraction form
    727,198/1,562,342 = 1,562,342/x
  3. Step 3: Cross multiply
    727,198x = 1,562,342 × 1,562,342
  4. Step 4: Simplify right side
    727,198x = 2,440,912,524,964
  5. Step 5: Solve for x
    x = 2,440,912,524,964/727,198
  6. Step 6: Final answer
    x = 3,356,599.61

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.