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Finding the Third Proportional to 4,022,090 and 8,570,372

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Solution

The third proportional to 4,022,090 and 8,570,372 is: 18,261,967.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,022,090 : 8,570,372 = 8,570,372 : x
  2. Step 2: Convert to fraction form
    4,022,090/8,570,372 = 8,570,372/x
  3. Step 3: Cross multiply
    4,022,090x = 8,570,372 × 8,570,372
  4. Step 4: Simplify right side
    4,022,090x = 73,451,276,218,384
  5. Step 5: Solve for x
    x = 73,451,276,218,384/4,022,090
  6. Step 6: Final answer
    x = 18,261,967.34

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.