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Finding the Third Proportional to 3,674,247.75 and 7,979,445

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Solution

The third proportional to 3,674,247.75 and 7,979,445 is: 17,329,136.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674,247.75 : 7,979,445 = 7,979,445 : x
  2. Step 2: Convert to fraction form
    3,674,247.75/7,979,445 = 7,979,445/x
  3. Step 3: Cross multiply
    3,674,247.75x = 7,979,445 × 7,979,445
  4. Step 4: Simplify right side
    3,674,247.75x = 63,671,542,508,025
  5. Step 5: Solve for x
    x = 63,671,542,508,025/3,674,247.75
  6. Step 6: Final answer
    x = 17,329,136.97

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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.