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Finding the Third Proportional to 285,458 and 614,762

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Solution

The third proportional to 285,458 and 614,762 is: 1,323,950.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,458 : 614,762 = 614,762 : x
  2. Step 2: Convert to fraction form
    285,458/614,762 = 614,762/x
  3. Step 3: Cross multiply
    285,458x = 614,762 × 614,762
  4. Step 4: Simplify right side
    285,458x = 377,932,316,644
  5. Step 5: Solve for x
    x = 377,932,316,644/285,458
  6. Step 6: Final answer
    x = 1,323,950.69

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.