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Finding the Third Proportional to 3,919,207.50 and 8,468,982

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Solution

The third proportional to 3,919,207.50 and 8,468,982 is: 18,300,550.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,207.50 : 8,468,982 = 8,468,982 : x
  2. Step 2: Convert to fraction form
    3,919,207.50/8,468,982 = 8,468,982/x
  3. Step 3: Cross multiply
    3,919,207.50x = 8,468,982 × 8,468,982
  4. Step 4: Simplify right side
    3,919,207.50x = 71,723,656,116,324
  5. Step 5: Solve for x
    x = 71,723,656,116,324/3,919,207.50
  6. Step 6: Final answer
    x = 18,300,550.84

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.