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Finding the Third Proportional to 3,178,336.50 and 6,898,491

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Solution

The third proportional to 3,178,336.50 and 6,898,491 is: 14,972,982.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,336.50 : 6,898,491 = 6,898,491 : x
  2. Step 2: Convert to fraction form
    3,178,336.50/6,898,491 = 6,898,491/x
  3. Step 3: Cross multiply
    3,178,336.50x = 6,898,491 × 6,898,491
  4. Step 4: Simplify right side
    3,178,336.50x = 47,589,178,077,081
  5. Step 5: Solve for x
    x = 47,589,178,077,081/3,178,336.50
  6. Step 6: Final answer
    x = 14,972,982.90

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.