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Finding the Third Proportional to 391,933 and 572,777

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Solution

The third proportional to 391,933 and 572,777 is: 837,065.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,933 : 572,777 = 572,777 : x
  2. Step 2: Convert to fraction form
    391,933/572,777 = 572,777/x
  3. Step 3: Cross multiply
    391,933x = 572,777 × 572,777
  4. Step 4: Simplify right side
    391,933x = 328,073,491,729
  5. Step 5: Solve for x
    x = 328,073,491,729/391,933
  6. Step 6: Final answer
    x = 837,065.24

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.