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Finding the Third Proportional to 7,719,736 and 11,355,018

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Solution

The third proportional to 7,719,736 and 11,355,018 is: 16,702,181.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719,736 : 11,355,018 = 11,355,018 : x
  2. Step 2: Convert to fraction form
    7,719,736/11,355,018 = 11,355,018/x
  3. Step 3: Cross multiply
    7,719,736x = 11,355,018 × 11,355,018
  4. Step 4: Simplify right side
    7,719,736x = 128,936,433,780,324
  5. Step 5: Solve for x
    x = 128,936,433,780,324/7,719,736
  6. Step 6: Final answer
    x = 16,702,181.76

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Why These Related Problems?

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