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Finding the Third Proportional to 36,284,440 and 78,945,200

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Solution

The third proportional to 36,284,440 and 78,945,200 is: 171,763,560.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,284,440 : 78,945,200 = 78,945,200 : x
  2. Step 2: Convert to fraction form
    36,284,440/78,945,200 = 78,945,200/x
  3. Step 3: Cross multiply
    36,284,440x = 78,945,200 × 78,945,200
  4. Step 4: Simplify right side
    36,284,440x = 6,232,344,603,040,000
  5. Step 5: Solve for x
    x = 6,232,344,603,040,000/36,284,440
  6. Step 6: Final answer
    x = 171,763,560.44

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.