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Finding the Third Proportional to 3,198,420 and 7,550,354.25

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Solution

The third proportional to 3,198,420 and 7,550,354.25 is: 17,823,753.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198,420 : 7,550,354.25 = 7,550,354.25 : x
  2. Step 2: Convert to fraction form
    3,198,420/7,550,354.25 = 7,550,354.25/x
  3. Step 3: Cross multiply
    3,198,420x = 7,550,354.25 × 7,550,354.25
  4. Step 4: Simplify right side
    3,198,420x = 57,007,849,300,493.06
  5. Step 5: Solve for x
    x = 57,007,849,300,493.06/3,198,420
  6. Step 6: Final answer
    x = 17,823,753.38

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.