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Finding the Third Proportional to 4,221,083.71 and 9,204,334.07

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Solution

The third proportional to 4,221,083.71 and 9,204,334.07 is: 20,070,619.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221,083.71 : 9,204,334.07 = 9,204,334.07 : x
  2. Step 2: Convert to fraction form
    4,221,083.71/9,204,334.07 = 9,204,334.07/x
  3. Step 3: Cross multiply
    4,221,083.71x = 9,204,334.07 × 9,204,334.07
  4. Step 4: Simplify right side
    4,221,083.71x = 84,719,765,606,002.02
  5. Step 5: Solve for x
    x = 84,719,765,606,002.02/4,221,083.71
  6. Step 6: Final answer
    x = 20,070,619.65

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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.