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Finding the Third Proportional to 305,097 and 451,414.50

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Solution

The third proportional to 305,097 and 451,414.50 is: 667,902.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,097 : 451,414.50 = 451,414.50 : x
  2. Step 2: Convert to fraction form
    305,097/451,414.50 = 451,414.50/x
  3. Step 3: Cross multiply
    305,097x = 451,414.50 × 451,414.50
  4. Step 4: Simplify right side
    305,097x = 203,775,050,810.25
  5. Step 5: Solve for x
    x = 203,775,050,810.25/305,097
  6. Step 6: Final answer
    x = 667,902.51

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.