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Finding the Third Proportional to 305,181 and 662,900.63

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Solution

The third proportional to 305,181 and 662,900.63 is: 1,439,923.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,181 : 662,900.63 = 662,900.63 : x
  2. Step 2: Convert to fraction form
    305,181/662,900.63 = 662,900.63/x
  3. Step 3: Cross multiply
    305,181x = 662,900.63 × 662,900.63
  4. Step 4: Simplify right side
    305,181x = 439,437,238,625.39
  5. Step 5: Solve for x
    x = 439,437,238,625.39/305,181
  6. Step 6: Final answer
    x = 1,439,923.32

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.