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Finding the Third Proportional to 7,447,961 and 11,388,529

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Solution

The third proportional to 7,447,961 and 11,388,529 is: 17,413,973.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447,961 : 11,388,529 = 11,388,529 : x
  2. Step 2: Convert to fraction form
    7,447,961/11,388,529 = 11,388,529/x
  3. Step 3: Cross multiply
    7,447,961x = 11,388,529 × 11,388,529
  4. Step 4: Simplify right side
    7,447,961x = 129,698,592,783,841
  5. Step 5: Solve for x
    x = 129,698,592,783,841/7,447,961
  6. Step 6: Final answer
    x = 17,413,973.14

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.