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Finding the Third Proportional to 191,403,892 and 419,863,994

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Solution

The third proportional to 191,403,892 and 419,863,994 is: 921,014,570.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,403,892 : 419,863,994 = 419,863,994 : x
  2. Step 2: Convert to fraction form
    191,403,892/419,863,994 = 419,863,994/x
  3. Step 3: Cross multiply
    191,403,892x = 419,863,994 × 419,863,994
  4. Step 4: Simplify right side
    191,403,892x = 176,285,773,457,632,032
  5. Step 5: Solve for x
    x = 176,285,773,457,632,032/191,403,892
  6. Step 6: Final answer
    x = 921,014,570.89

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.