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Finding the Third Proportional to 121,181,058 and 191,916,707

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Solution

The third proportional to 121,181,058 and 191,916,707 is: 303,942,076.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,181,058 : 191,916,707 = 191,916,707 : x
  2. Step 2: Convert to fraction form
    121,181,058/191,916,707 = 191,916,707/x
  3. Step 3: Cross multiply
    121,181,058x = 191,916,707 × 191,916,707
  4. Step 4: Simplify right side
    121,181,058x = 36,832,022,425,723,848
  5. Step 5: Solve for x
    x = 36,832,022,425,723,848/121,181,058
  6. Step 6: Final answer
    x = 303,942,076.70

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.