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Finding the Third Proportional to 228,690 and 607,020.75

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Solution

The third proportional to 228,690 and 607,020.75 is: 1,611,238.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,690 : 607,020.75 = 607,020.75 : x
  2. Step 2: Convert to fraction form
    228,690/607,020.75 = 607,020.75/x
  3. Step 3: Cross multiply
    228,690x = 607,020.75 × 607,020.75
  4. Step 4: Simplify right side
    228,690x = 368,474,190,930.56
  5. Step 5: Solve for x
    x = 368,474,190,930.56/228,690
  6. Step 6: Final answer
    x = 1,611,238.76

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Why These Related Problems?

These problems maintain the same ratio (2.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.