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Finding the Third Proportional to 3,591,618.47 and 7,980,398.44

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Solution

The third proportional to 3,591,618.47 and 7,980,398.44 is: 17,732,050.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591,618.47 : 7,980,398.44 = 7,980,398.44 : x
  2. Step 2: Convert to fraction form
    3,591,618.47/7,980,398.44 = 7,980,398.44/x
  3. Step 3: Cross multiply
    3,591,618.47x = 7,980,398.44 × 7,980,398.44
  4. Step 4: Simplify right side
    3,591,618.47x = 63,686,759,221,252.44
  5. Step 5: Solve for x
    x = 63,686,759,221,252.44/3,591,618.47
  6. Step 6: Final answer
    x = 17,732,050.27

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.