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Finding the Third Proportional to 580,531 and 1,257,939

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Solution

The third proportional to 580,531 and 1,257,939 is: 2,725,798.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,531 : 1,257,939 = 1,257,939 : x
  2. Step 2: Convert to fraction form
    580,531/1,257,939 = 1,257,939/x
  3. Step 3: Cross multiply
    580,531x = 1,257,939 × 1,257,939
  4. Step 4: Simplify right side
    580,531x = 1,582,410,527,721
  5. Step 5: Solve for x
    x = 1,582,410,527,721/580,531
  6. Step 6: Final answer
    x = 2,725,798.50

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.