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Finding the Third Proportional to 4,631,987 and 10,206,328

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Solution

The third proportional to 4,631,987 and 10,206,328 is: 22,489,081.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631,987 : 10,206,328 = 10,206,328 : x
  2. Step 2: Convert to fraction form
    4,631,987/10,206,328 = 10,206,328/x
  3. Step 3: Cross multiply
    4,631,987x = 10,206,328 × 10,206,328
  4. Step 4: Simplify right side
    4,631,987x = 104,169,131,243,584
  5. Step 5: Solve for x
    x = 104,169,131,243,584/4,631,987
  6. Step 6: Final answer
    x = 22,489,081.09

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.