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Finding the Third Proportional to 648,102.50 and 1,420,183.50

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Solution

The third proportional to 648,102.50 and 1,420,183.50 is: 3,112,040.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,102.50 : 1,420,183.50 = 1,420,183.50 : x
  2. Step 2: Convert to fraction form
    648,102.50/1,420,183.50 = 1,420,183.50/x
  3. Step 3: Cross multiply
    648,102.50x = 1,420,183.50 × 1,420,183.50
  4. Step 4: Simplify right side
    648,102.50x = 2,016,921,173,672.25
  5. Step 5: Solve for x
    x = 2,016,921,173,672.25/648,102.50
  6. Step 6: Final answer
    x = 3,112,040.42

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.