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Finding the Third Proportional to 1,672,405.50 and 3,669,621

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Solution

The third proportional to 1,672,405.50 and 3,669,621 is: 8,051,945.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,405.50 : 3,669,621 = 3,669,621 : x
  2. Step 2: Convert to fraction form
    1,672,405.50/3,669,621 = 3,669,621/x
  3. Step 3: Cross multiply
    1,672,405.50x = 3,669,621 × 3,669,621
  4. Step 4: Simplify right side
    1,672,405.50x = 13,466,118,283,641
  5. Step 5: Solve for x
    x = 13,466,118,283,641/1,672,405.50
  6. Step 6: Final answer
    x = 8,051,945.71

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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.