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Finding the Third Proportional to 87,745,572 and 190,135,296

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Solution

The third proportional to 87,745,572 and 190,135,296 is: 412,002,907.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,745,572 : 190,135,296 = 190,135,296 : x
  2. Step 2: Convert to fraction form
    87,745,572/190,135,296 = 190,135,296/x
  3. Step 3: Cross multiply
    87,745,572x = 190,135,296 × 190,135,296
  4. Step 4: Simplify right side
    87,745,572x = 36,151,430,785,007,616
  5. Step 5: Solve for x
    x = 36,151,430,785,007,616/87,745,572
  6. Step 6: Final answer
    x = 412,002,907.51

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.