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Finding the Third Proportional to 19,494,153 and 30,307,371.75

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Solution

The third proportional to 19,494,153 and 30,307,371.75 is: 47,118,578.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,494,153 : 30,307,371.75 = 30,307,371.75 : x
  2. Step 2: Convert to fraction form
    19,494,153/30,307,371.75 = 30,307,371.75/x
  3. Step 3: Cross multiply
    19,494,153x = 30,307,371.75 × 30,307,371.75
  4. Step 4: Simplify right side
    19,494,153x = 918,536,782,392,698
  5. Step 5: Solve for x
    x = 918,536,782,392,698/19,494,153
  6. Step 6: Final answer
    x = 47,118,578.70

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.