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Finding the Third Proportional to 9,386,890.88 and 19,493,213.63

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Solution

The third proportional to 9,386,890.88 and 19,493,213.63 is: 40,480,429.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,386,890.88 : 19,493,213.63 = 19,493,213.63 : x
  2. Step 2: Convert to fraction form
    9,386,890.88/19,493,213.63 = 19,493,213.63/x
  3. Step 3: Cross multiply
    9,386,890.88x = 19,493,213.63 × 19,493,213.63
  4. Step 4: Simplify right side
    9,386,890.88x = 379,985,377,429,885.62
  5. Step 5: Solve for x
    x = 379,985,377,429,885.62/9,386,890.88
  6. Step 6: Final answer
    x = 40,480,429.83

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.