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Finding the Third Proportional to 3,192,420 and 4,821,768

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Solution

The third proportional to 3,192,420 and 4,821,768 is: 7,282,702.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192,420 : 4,821,768 = 4,821,768 : x
  2. Step 2: Convert to fraction form
    3,192,420/4,821,768 = 4,821,768/x
  3. Step 3: Cross multiply
    3,192,420x = 4,821,768 × 4,821,768
  4. Step 4: Simplify right side
    3,192,420x = 23,249,446,645,824
  5. Step 5: Solve for x
    x = 23,249,446,645,824/3,192,420
  6. Step 6: Final answer
    x = 7,282,702.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.