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Finding the Third Proportional to 4,293,939.09 and 9,345,250.97

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Solution

The third proportional to 4,293,939.09 and 9,345,250.97 is: 20,338,834.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,293,939.09 : 9,345,250.97 = 9,345,250.97 : x
  2. Step 2: Convert to fraction form
    4,293,939.09/9,345,250.97 = 9,345,250.97/x
  3. Step 3: Cross multiply
    4,293,939.09x = 9,345,250.97 × 9,345,250.97
  4. Step 4: Simplify right side
    4,293,939.09x = 87,333,715,668,922.81
  5. Step 5: Solve for x
    x = 87,333,715,668,922.81/4,293,939.09
  6. Step 6: Final answer
    x = 20,338,834.29

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.