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Finding the Third Proportional to 3,930,420 and 8,594,025

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Solution

The third proportional to 3,930,420 and 8,594,025 is: 18,791,189.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930,420 : 8,594,025 = 8,594,025 : x
  2. Step 2: Convert to fraction form
    3,930,420/8,594,025 = 8,594,025/x
  3. Step 3: Cross multiply
    3,930,420x = 8,594,025 × 8,594,025
  4. Step 4: Simplify right side
    3,930,420x = 73,857,265,700,625
  5. Step 5: Solve for x
    x = 73,857,265,700,625/3,930,420
  6. Step 6: Final answer
    x = 18,791,189.16

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.