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Finding the Third Proportional to 2,789,975.50 and 3,948,896

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Solution

The third proportional to 2,789,975.50 and 3,948,896 is: 5,589,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789,975.50 : 3,948,896 = 3,948,896 : x
  2. Step 2: Convert to fraction form
    2,789,975.50/3,948,896 = 3,948,896/x
  3. Step 3: Cross multiply
    2,789,975.50x = 3,948,896 × 3,948,896
  4. Step 4: Simplify right side
    2,789,975.50x = 15,593,779,618,816
  5. Step 5: Solve for x
    x = 15,593,779,618,816/2,789,975.50
  6. Step 6: Final answer
    x = 5,589,217.40

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.