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Finding the Third Proportional to 8,650,943.16 and 20,421,365.11

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Solution

The third proportional to 8,650,943.16 and 20,421,365.11 is: 48,206,553.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,650,943.16 : 20,421,365.11 = 20,421,365.11 : x
  2. Step 2: Convert to fraction form
    8,650,943.16/20,421,365.11 = 20,421,365.11/x
  3. Step 3: Cross multiply
    8,650,943.16x = 20,421,365.11 × 20,421,365.11
  4. Step 4: Simplify right side
    8,650,943.16x = 417,032,152,930,398.62
  5. Step 5: Solve for x
    x = 417,032,152,930,398.62/8,650,943.16
  6. Step 6: Final answer
    x = 48,206,553.37

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.