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Finding the Third Proportional to 87,723,468 and 190,091,088

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Solution

The third proportional to 87,723,468 and 190,091,088 is: 411,915,107.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,723,468 : 190,091,088 = 190,091,088 : x
  2. Step 2: Convert to fraction form
    87,723,468/190,091,088 = 190,091,088/x
  3. Step 3: Cross multiply
    87,723,468x = 190,091,088 × 190,091,088
  4. Step 4: Simplify right side
    87,723,468x = 36,134,621,737,023,744
  5. Step 5: Solve for x
    x = 36,134,621,737,023,744/87,723,468
  6. Step 6: Final answer
    x = 411,915,107.34

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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.