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Finding the Third Proportional to 8,403,728 and 13,037,244

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Solution

The third proportional to 8,403,728 and 13,037,244 is: 20,225,515.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403,728 : 13,037,244 = 13,037,244 : x
  2. Step 2: Convert to fraction form
    8,403,728/13,037,244 = 13,037,244/x
  3. Step 3: Cross multiply
    8,403,728x = 13,037,244 × 13,037,244
  4. Step 4: Simplify right side
    8,403,728x = 169,969,731,115,536
  5. Step 5: Solve for x
    x = 169,969,731,115,536/8,403,728
  6. Step 6: Final answer
    x = 20,225,515.52

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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.