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Finding the Third Proportional to 717,824 and 1,553,868

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Solution

The third proportional to 717,824 and 1,553,868 is: 3,363,645.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,824 : 1,553,868 = 1,553,868 : x
  2. Step 2: Convert to fraction form
    717,824/1,553,868 = 1,553,868/x
  3. Step 3: Cross multiply
    717,824x = 1,553,868 × 1,553,868
  4. Step 4: Simplify right side
    717,824x = 2,414,505,761,424
  5. Step 5: Solve for x
    x = 2,414,505,761,424/717,824
  6. Step 6: Final answer
    x = 3,363,645.91

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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.