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Finding the Third Proportional to 577,126 and 862,458

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Solution

The third proportional to 577,126 and 862,458 is: 1,288,858.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,126 : 862,458 = 862,458 : x
  2. Step 2: Convert to fraction form
    577,126/862,458 = 862,458/x
  3. Step 3: Cross multiply
    577,126x = 862,458 × 862,458
  4. Step 4: Simplify right side
    577,126x = 743,833,801,764
  5. Step 5: Solve for x
    x = 743,833,801,764/577,126
  6. Step 6: Final answer
    x = 1,288,858.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.