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Finding the Third Proportional to 4,003,916 and 8,637,687

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Solution

The third proportional to 4,003,916 and 8,637,687 is: 18,634,166.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,003,916 : 8,637,687 = 8,637,687 : x
  2. Step 2: Convert to fraction form
    4,003,916/8,637,687 = 8,637,687/x
  3. Step 3: Cross multiply
    4,003,916x = 8,637,687 × 8,637,687
  4. Step 4: Simplify right side
    4,003,916x = 74,609,636,709,969
  5. Step 5: Solve for x
    x = 74,609,636,709,969/4,003,916
  6. Step 6: Final answer
    x = 18,634,166.33

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.