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Finding the Third Proportional to 1,505,202.75 and 2,145,691.69

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Solution

The third proportional to 1,505,202.75 and 2,145,691.69 is: 3,058,719.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,202.75 : 2,145,691.69 = 2,145,691.69 : x
  2. Step 2: Convert to fraction form
    1,505,202.75/2,145,691.69 = 2,145,691.69/x
  3. Step 3: Cross multiply
    1,505,202.75x = 2,145,691.69 × 2,145,691.69
  4. Step 4: Simplify right side
    1,505,202.75x = 4,603,992,817,806.60
  5. Step 5: Solve for x
    x = 4,603,992,817,806.60/1,505,202.75
  6. Step 6: Final answer
    x = 3,058,719.38

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.