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Finding the Third Proportional to 3,636,649.50 and 7,656,699

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Solution

The third proportional to 3,636,649.50 and 7,656,699 is: 16,120,618.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636,649.50 : 7,656,699 = 7,656,699 : x
  2. Step 2: Convert to fraction form
    3,636,649.50/7,656,699 = 7,656,699/x
  3. Step 3: Cross multiply
    3,636,649.50x = 7,656,699 × 7,656,699
  4. Step 4: Simplify right side
    3,636,649.50x = 58,625,039,576,601
  5. Step 5: Solve for x
    x = 58,625,039,576,601/3,636,649.50
  6. Step 6: Final answer
    x = 16,120,618.60

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.