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Finding the Third Proportional to 14,392,578 and 20,581,555

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Solution

The third proportional to 14,392,578 and 20,581,555 is: 29,431,864.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,392,578 : 20,581,555 = 20,581,555 : x
  2. Step 2: Convert to fraction form
    14,392,578/20,581,555 = 20,581,555/x
  3. Step 3: Cross multiply
    14,392,578x = 20,581,555 × 20,581,555
  4. Step 4: Simplify right side
    14,392,578x = 423,600,406,218,025
  5. Step 5: Solve for x
    x = 423,600,406,218,025/14,392,578
  6. Step 6: Final answer
    x = 29,431,864.55

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.