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Finding the Third Proportional to 557,181.75 and 1,221,168

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Solution

The third proportional to 557,181.75 and 1,221,168 is: 2,676,418.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,181.75 : 1,221,168 = 1,221,168 : x
  2. Step 2: Convert to fraction form
    557,181.75/1,221,168 = 1,221,168/x
  3. Step 3: Cross multiply
    557,181.75x = 1,221,168 × 1,221,168
  4. Step 4: Simplify right side
    557,181.75x = 1,491,251,284,224
  5. Step 5: Solve for x
    x = 1,491,251,284,224/557,181.75
  6. Step 6: Final answer
    x = 2,676,418.03

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.