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Finding the Third Proportional to 451,730.75 and 665,105.25

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Solution

The third proportional to 451,730.75 and 665,105.25 is: 979,266.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,730.75 : 665,105.25 = 665,105.25 : x
  2. Step 2: Convert to fraction form
    451,730.75/665,105.25 = 665,105.25/x
  3. Step 3: Cross multiply
    451,730.75x = 665,105.25 × 665,105.25
  4. Step 4: Simplify right side
    451,730.75x = 442,364,993,577.56
  5. Step 5: Solve for x
    x = 442,364,993,577.56/451,730.75
  6. Step 6: Final answer
    x = 979,266.95

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.