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Finding the Third Proportional to 4,683,747.38 and 9,985,869

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Solution

The third proportional to 4,683,747.38 and 9,985,869 is: 21,290,127.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,683,747.38 : 9,985,869 = 9,985,869 : x
  2. Step 2: Convert to fraction form
    4,683,747.38/9,985,869 = 9,985,869/x
  3. Step 3: Cross multiply
    4,683,747.38x = 9,985,869 × 9,985,869
  4. Step 4: Simplify right side
    4,683,747.38x = 99,717,579,685,161
  5. Step 5: Solve for x
    x = 99,717,579,685,161/4,683,747.38
  6. Step 6: Final answer
    x = 21,290,127.69

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.