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Finding the Third Proportional to 436,910 and 590,291

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Solution

The third proportional to 436,910 and 590,291 is: 797,517.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,910 : 590,291 = 590,291 : x
  2. Step 2: Convert to fraction form
    436,910/590,291 = 590,291/x
  3. Step 3: Cross multiply
    436,910x = 590,291 × 590,291
  4. Step 4: Simplify right side
    436,910x = 348,443,464,681
  5. Step 5: Solve for x
    x = 348,443,464,681/436,910
  6. Step 6: Final answer
    x = 797,517.71

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.