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Finding the Third Proportional to 557,450 and 823,054

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Solution

The third proportional to 557,450 and 823,054 is: 1,215,208.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,450 : 823,054 = 823,054 : x
  2. Step 2: Convert to fraction form
    557,450/823,054 = 823,054/x
  3. Step 3: Cross multiply
    557,450x = 823,054 × 823,054
  4. Step 4: Simplify right side
    557,450x = 677,417,886,916
  5. Step 5: Solve for x
    x = 677,417,886,916/557,450
  6. Step 6: Final answer
    x = 1,215,208.34

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.