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Finding the Third Proportional to 717,219 and 1,560,609

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Solution

The third proportional to 717,219 and 1,560,609 is: 3,395,755.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,219 : 1,560,609 = 1,560,609 : x
  2. Step 2: Convert to fraction form
    717,219/1,560,609 = 1,560,609/x
  3. Step 3: Cross multiply
    717,219x = 1,560,609 × 1,560,609
  4. Step 4: Simplify right side
    717,219x = 2,435,500,450,881
  5. Step 5: Solve for x
    x = 2,435,500,450,881/717,219
  6. Step 6: Final answer
    x = 3,395,755.62

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.