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Finding the Third Proportional to 9,172,824.75 and 19,959,792.19

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Solution

The third proportional to 9,172,824.75 and 19,959,792.19 is: 43,431,910.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172,824.75 : 19,959,792.19 = 19,959,792.19 : x
  2. Step 2: Convert to fraction form
    9,172,824.75/19,959,792.19 = 19,959,792.19/x
  3. Step 3: Cross multiply
    9,172,824.75x = 19,959,792.19 × 19,959,792.19
  4. Step 4: Simplify right side
    9,172,824.75x = 398,393,304,168,186.06
  5. Step 5: Solve for x
    x = 398,393,304,168,186.06/9,172,824.75
  6. Step 6: Final answer
    x = 43,431,910.56

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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.