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Finding the Third Proportional to 19,476,489 and 30,393,859.50

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Solution

The third proportional to 19,476,489 and 30,393,859.50 is: 47,430,863.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,476,489 : 30,393,859.50 = 30,393,859.50 : x
  2. Step 2: Convert to fraction form
    19,476,489/30,393,859.50 = 30,393,859.50/x
  3. Step 3: Cross multiply
    19,476,489x = 30,393,859.50 × 30,393,859.50
  4. Step 4: Simplify right side
    19,476,489x = 923,786,695,305,740.25
  5. Step 5: Solve for x
    x = 923,786,695,305,740.25/19,476,489
  6. Step 6: Final answer
    x = 47,430,863.71

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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.