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Finding the Third Proportional to 677,762 and 903,580

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Solution

The third proportional to 677,762 and 903,580 is: 1,204,636.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,762 : 903,580 = 903,580 : x
  2. Step 2: Convert to fraction form
    677,762/903,580 = 903,580/x
  3. Step 3: Cross multiply
    677,762x = 903,580 × 903,580
  4. Step 4: Simplify right side
    677,762x = 816,456,816,400
  5. Step 5: Solve for x
    x = 816,456,816,400/677,762
  6. Step 6: Final answer
    x = 1,204,636.46

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.