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Finding the Third Proportional to 1,847,404.18 and 3,967,890.76

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Solution

The third proportional to 1,847,404.18 and 3,967,890.76 is: 8,522,313.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847,404.18 : 3,967,890.76 = 3,967,890.76 : x
  2. Step 2: Convert to fraction form
    1,847,404.18/3,967,890.76 = 3,967,890.76/x
  3. Step 3: Cross multiply
    1,847,404.18x = 3,967,890.76 × 3,967,890.76
  4. Step 4: Simplify right side
    1,847,404.18x = 15,744,157,073,683.94
  5. Step 5: Solve for x
    x = 15,744,157,073,683.94/1,847,404.18
  6. Step 6: Final answer
    x = 8,522,313.23

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.