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Finding the Third Proportional to 8,966,391.75 and 18,570,786.75

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Solution

The third proportional to 8,966,391.75 and 18,570,786.75 is: 38,462,977.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,966,391.75 : 18,570,786.75 = 18,570,786.75 : x
  2. Step 2: Convert to fraction form
    8,966,391.75/18,570,786.75 = 18,570,786.75/x
  3. Step 3: Cross multiply
    8,966,391.75x = 18,570,786.75 × 18,570,786.75
  4. Step 4: Simplify right side
    8,966,391.75x = 344,874,120,513,975.56
  5. Step 5: Solve for x
    x = 344,874,120,513,975.56/8,966,391.75
  6. Step 6: Final answer
    x = 38,462,977.10

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.