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Finding the Third Proportional to 19,476,486 and 30,393,855

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Solution

The third proportional to 19,476,486 and 30,393,855 is: 47,430,856.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,476,486 : 30,393,855 = 30,393,855 : x
  2. Step 2: Convert to fraction form
    19,476,486/30,393,855 = 30,393,855/x
  3. Step 3: Cross multiply
    19,476,486x = 30,393,855 × 30,393,855
  4. Step 4: Simplify right side
    19,476,486x = 923,786,421,761,025
  5. Step 5: Solve for x
    x = 923,786,421,761,025/19,476,486
  6. Step 6: Final answer
    x = 47,430,856.97

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.