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Finding the Third Proportional to 1,980,772.73 and 4,174,333.73

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Solution

The third proportional to 1,980,772.73 and 4,174,333.73 is: 8,797,103.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,772.73 : 4,174,333.73 = 4,174,333.73 : x
  2. Step 2: Convert to fraction form
    1,980,772.73/4,174,333.73 = 4,174,333.73/x
  3. Step 3: Cross multiply
    1,980,772.73x = 4,174,333.73 × 4,174,333.73
  4. Step 4: Simplify right side
    1,980,772.73x = 17,425,062,125,941.13
  5. Step 5: Solve for x
    x = 17,425,062,125,941.13/1,980,772.73
  6. Step 6: Final answer
    x = 8,797,103.18

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.