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Finding the Third Proportional to 9,329,991.75 and 19,404,839.25

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Solution

The third proportional to 9,329,991.75 and 19,404,839.25 is: 40,358,855.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329,991.75 : 19,404,839.25 = 19,404,839.25 : x
  2. Step 2: Convert to fraction form
    9,329,991.75/19,404,839.25 = 19,404,839.25/x
  3. Step 3: Cross multiply
    9,329,991.75x = 19,404,839.25 × 19,404,839.25
  4. Step 4: Simplify right side
    9,329,991.75x = 376,547,786,318,340.56
  5. Step 5: Solve for x
    x = 376,547,786,318,340.56/9,329,991.75
  6. Step 6: Final answer
    x = 40,358,855.23

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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.