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Finding the Third Proportional to 984,375 and 1,542,172.50

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Solution

The third proportional to 984,375 and 1,542,172.50 is: 2,416,046.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,375 : 1,542,172.50 = 1,542,172.50 : x
  2. Step 2: Convert to fraction form
    984,375/1,542,172.50 = 1,542,172.50/x
  3. Step 3: Cross multiply
    984,375x = 1,542,172.50 × 1,542,172.50
  4. Step 4: Simplify right side
    984,375x = 2,378,296,019,756.25
  5. Step 5: Solve for x
    x = 2,378,296,019,756.25/984,375
  6. Step 6: Final answer
    x = 2,416,046.75

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.