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Finding the Third Proportional to 5,453,340 and 8,455,601

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Solution

The third proportional to 5,453,340 and 8,455,601 is: 13,110,715.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453,340 : 8,455,601 = 8,455,601 : x
  2. Step 2: Convert to fraction form
    5,453,340/8,455,601 = 8,455,601/x
  3. Step 3: Cross multiply
    5,453,340x = 8,455,601 × 8,455,601
  4. Step 4: Simplify right side
    5,453,340x = 71,497,188,271,201
  5. Step 5: Solve for x
    x = 71,497,188,271,201/5,453,340
  6. Step 6: Final answer
    x = 13,110,715.32

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.