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Finding the Third Proportional to 7,719,120 and 11,320,866

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Solution

The third proportional to 7,719,120 and 11,320,866 is: 16,603,188.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719,120 : 11,320,866 = 11,320,866 : x
  2. Step 2: Convert to fraction form
    7,719,120/11,320,866 = 11,320,866/x
  3. Step 3: Cross multiply
    7,719,120x = 11,320,866 × 11,320,866
  4. Step 4: Simplify right side
    7,719,120x = 128,162,006,989,956
  5. Step 5: Solve for x
    x = 128,162,006,989,956/7,719,120
  6. Step 6: Final answer
    x = 16,603,188.83

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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.