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Finding the Third Proportional to 220,649 and 476,284

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Solution

The third proportional to 220,649 and 476,284 is: 1,028,087.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,649 : 476,284 = 476,284 : x
  2. Step 2: Convert to fraction form
    220,649/476,284 = 476,284/x
  3. Step 3: Cross multiply
    220,649x = 476,284 × 476,284
  4. Step 4: Simplify right side
    220,649x = 226,846,448,656
  5. Step 5: Solve for x
    x = 226,846,448,656/220,649
  6. Step 6: Final answer
    x = 1,028,087.36

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.