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Finding the Third Proportional to 3,405,284.50 and 7,408,436

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Solution

The third proportional to 3,405,284.50 and 7,408,436 is: 16,117,573.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405,284.50 : 7,408,436 = 7,408,436 : x
  2. Step 2: Convert to fraction form
    3,405,284.50/7,408,436 = 7,408,436/x
  3. Step 3: Cross multiply
    3,405,284.50x = 7,408,436 × 7,408,436
  4. Step 4: Simplify right side
    3,405,284.50x = 54,884,923,966,096
  5. Step 5: Solve for x
    x = 54,884,923,966,096/3,405,284.50
  6. Step 6: Final answer
    x = 16,117,573.72

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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.