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Finding the Third Proportional to 6,398,608.50 and 9,811,685.25

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Solution

The third proportional to 6,398,608.50 and 9,811,685.25 is: 15,045,328.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,398,608.50 : 9,811,685.25 = 9,811,685.25 : x
  2. Step 2: Convert to fraction form
    6,398,608.50/9,811,685.25 = 9,811,685.25/x
  3. Step 3: Cross multiply
    6,398,608.50x = 9,811,685.25 × 9,811,685.25
  4. Step 4: Simplify right side
    6,398,608.50x = 96,269,167,445,067.56
  5. Step 5: Solve for x
    x = 96,269,167,445,067.56/6,398,608.50
  6. Step 6: Final answer
    x = 15,045,328.60

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.