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Finding the Third Proportional to 504,458 and 840,762

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Solution

The third proportional to 504,458 and 840,762 is: 1,401,267.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,458 : 840,762 = 840,762 : x
  2. Step 2: Convert to fraction form
    504,458/840,762 = 840,762/x
  3. Step 3: Cross multiply
    504,458x = 840,762 × 840,762
  4. Step 4: Simplify right side
    504,458x = 706,880,740,644
  5. Step 5: Solve for x
    x = 706,880,740,644/504,458
  6. Step 6: Final answer
    x = 1,401,267.78

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.