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Finding the Third Proportional to 258,772 and 565,818

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Solution

The third proportional to 258,772 and 565,818 is: 1,237,189.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,772 : 565,818 = 565,818 : x
  2. Step 2: Convert to fraction form
    258,772/565,818 = 565,818/x
  3. Step 3: Cross multiply
    258,772x = 565,818 × 565,818
  4. Step 4: Simplify right side
    258,772x = 320,150,009,124
  5. Step 5: Solve for x
    x = 320,150,009,124/258,772
  6. Step 6: Final answer
    x = 1,237,189.53

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.