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Finding the Third Proportional to 258,805 and 548,714

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Solution

The third proportional to 258,805 and 548,714 is: 1,163,374.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,805 : 548,714 = 548,714 : x
  2. Step 2: Convert to fraction form
    258,805/548,714 = 548,714/x
  3. Step 3: Cross multiply
    258,805x = 548,714 × 548,714
  4. Step 4: Simplify right side
    258,805x = 301,087,053,796
  5. Step 5: Solve for x
    x = 301,087,053,796/258,805
  6. Step 6: Final answer
    x = 1,163,374.18

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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.