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Finding the Third Proportional to 7,953,162 and 12,613,728

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Solution

The third proportional to 7,953,162 and 12,613,728 is: 20,005,393.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953,162 : 12,613,728 = 12,613,728 : x
  2. Step 2: Convert to fraction form
    7,953,162/12,613,728 = 12,613,728/x
  3. Step 3: Cross multiply
    7,953,162x = 12,613,728 × 12,613,728
  4. Step 4: Simplify right side
    7,953,162x = 159,106,134,057,984
  5. Step 5: Solve for x
    x = 159,106,134,057,984/7,953,162
  6. Step 6: Final answer
    x = 20,005,393.33

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.