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Finding the Third Proportional to 3,855,479 and 5,989,125

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Solution

The third proportional to 3,855,479 and 5,989,125 is: 9,303,543.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,479 : 5,989,125 = 5,989,125 : x
  2. Step 2: Convert to fraction form
    3,855,479/5,989,125 = 5,989,125/x
  3. Step 3: Cross multiply
    3,855,479x = 5,989,125 × 5,989,125
  4. Step 4: Simplify right side
    3,855,479x = 35,869,618,265,625
  5. Step 5: Solve for x
    x = 35,869,618,265,625/3,855,479
  6. Step 6: Final answer
    x = 9,303,543.93

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.