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Finding the Third Proportional to 5,171,410.50 and 7,247,599.50

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Solution

The third proportional to 5,171,410.50 and 7,247,599.50 is: 10,157,325.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171,410.50 : 7,247,599.50 = 7,247,599.50 : x
  2. Step 2: Convert to fraction form
    5,171,410.50/7,247,599.50 = 7,247,599.50/x
  3. Step 3: Cross multiply
    5,171,410.50x = 7,247,599.50 × 7,247,599.50
  4. Step 4: Simplify right side
    5,171,410.50x = 52,527,698,512,400.25
  5. Step 5: Solve for x
    x = 52,527,698,512,400.25/5,171,410.50
  6. Step 6: Final answer
    x = 10,157,325.26

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.