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Finding the Third Proportional to 282,414.75 and 620,807.25

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Solution

The third proportional to 282,414.75 and 620,807.25 is: 1,364,665.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,414.75 : 620,807.25 = 620,807.25 : x
  2. Step 2: Convert to fraction form
    282,414.75/620,807.25 = 620,807.25/x
  3. Step 3: Cross multiply
    282,414.75x = 620,807.25 × 620,807.25
  4. Step 4: Simplify right side
    282,414.75x = 385,401,641,652.56
  5. Step 5: Solve for x
    x = 385,401,641,652.56/282,414.75
  6. Step 6: Final answer
    x = 1,364,665.41

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.