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Finding the Third Proportional to 555,831 and 1,197,387

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Solution

The third proportional to 555,831 and 1,197,387 is: 2,579,445.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,831 : 1,197,387 = 1,197,387 : x
  2. Step 2: Convert to fraction form
    555,831/1,197,387 = 1,197,387/x
  3. Step 3: Cross multiply
    555,831x = 1,197,387 × 1,197,387
  4. Step 4: Simplify right side
    555,831x = 1,433,735,627,769
  5. Step 5: Solve for x
    x = 1,433,735,627,769/555,831
  6. Step 6: Final answer
    x = 2,579,445.24

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.