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Finding the Third Proportional to 4,251,215.09 and 8,680,867.19

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Solution

The third proportional to 4,251,215.09 and 8,680,867.19 is: 17,726,097.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251,215.09 : 8,680,867.19 = 8,680,867.19 : x
  2. Step 2: Convert to fraction form
    4,251,215.09/8,680,867.19 = 8,680,867.19/x
  3. Step 3: Cross multiply
    4,251,215.09x = 8,680,867.19 × 8,680,867.19
  4. Step 4: Simplify right side
    4,251,215.09x = 75,357,455,127,014.16
  5. Step 5: Solve for x
    x = 75,357,455,127,014.16/4,251,215.09
  6. Step 6: Final answer
    x = 17,726,097.94

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.