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Finding the Third Proportional to 3,930,221 and 8,593,599

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Solution

The third proportional to 3,930,221 and 8,593,599 is: 18,790,277.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930,221 : 8,593,599 = 8,593,599 : x
  2. Step 2: Convert to fraction form
    3,930,221/8,593,599 = 8,593,599/x
  3. Step 3: Cross multiply
    3,930,221x = 8,593,599 × 8,593,599
  4. Step 4: Simplify right side
    3,930,221x = 73,849,943,772,801
  5. Step 5: Solve for x
    x = 73,849,943,772,801/3,930,221
  6. Step 6: Final answer
    x = 18,790,277.64

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.