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Finding the Third Proportional to 191,898,066 and 274,226,781

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Solution

The third proportional to 191,898,066 and 274,226,781 is: 391,876,421.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,898,066 : 274,226,781 = 274,226,781 : x
  2. Step 2: Convert to fraction form
    191,898,066/274,226,781 = 274,226,781/x
  3. Step 3: Cross multiply
    191,898,066x = 274,226,781 × 274,226,781
  4. Step 4: Simplify right side
    191,898,066x = 75,200,327,417,621,968
  5. Step 5: Solve for x
    x = 75,200,327,417,621,968/191,898,066
  6. Step 6: Final answer
    x = 391,876,421.61

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.