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Finding the Third Proportional to 258,804 and 548,708

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Solution

The third proportional to 258,804 and 548,708 is: 1,163,353.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,804 : 548,708 = 548,708 : x
  2. Step 2: Convert to fraction form
    258,804/548,708 = 548,708/x
  3. Step 3: Cross multiply
    258,804x = 548,708 × 548,708
  4. Step 4: Simplify right side
    258,804x = 301,080,469,264
  5. Step 5: Solve for x
    x = 301,080,469,264/258,804
  6. Step 6: Final answer
    x = 1,163,353.23

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.