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Finding the Third Proportional to 548,012 and 859,890

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Solution

The third proportional to 548,012 and 859,890 is: 1,349,260.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,012 : 859,890 = 859,890 : x
  2. Step 2: Convert to fraction form
    548,012/859,890 = 859,890/x
  3. Step 3: Cross multiply
    548,012x = 859,890 × 859,890
  4. Step 4: Simplify right side
    548,012x = 739,410,812,100
  5. Step 5: Solve for x
    x = 739,410,812,100/548,012
  6. Step 6: Final answer
    x = 1,349,260.26

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.