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Finding the Third Proportional to 216,622 and 450,578

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Solution

The third proportional to 216,622 and 450,578 is: 937,211.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,622 : 450,578 = 450,578 : x
  2. Step 2: Convert to fraction form
    216,622/450,578 = 450,578/x
  3. Step 3: Cross multiply
    216,622x = 450,578 × 450,578
  4. Step 4: Simplify right side
    216,622x = 203,020,534,084
  5. Step 5: Solve for x
    x = 203,020,534,084/216,622
  6. Step 6: Final answer
    x = 937,211.06

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.