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Finding the Third Proportional to 5,405,528 and 11,751,928

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Solution

The third proportional to 5,405,528 and 11,751,928 is: 25,549,365.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405,528 : 11,751,928 = 11,751,928 : x
  2. Step 2: Convert to fraction form
    5,405,528/11,751,928 = 11,751,928/x
  3. Step 3: Cross multiply
    5,405,528x = 11,751,928 × 11,751,928
  4. Step 4: Simplify right side
    5,405,528x = 138,107,811,717,184
  5. Step 5: Solve for x
    x = 138,107,811,717,184/5,405,528
  6. Step 6: Final answer
    x = 25,549,365.71

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.