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Finding the Third Proportional to 322,938 and 504,029

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Solution

The third proportional to 322,938 and 504,029 is: 786,668.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,938 : 504,029 = 504,029 : x
  2. Step 2: Convert to fraction form
    322,938/504,029 = 504,029/x
  3. Step 3: Cross multiply
    322,938x = 504,029 × 504,029
  4. Step 4: Simplify right side
    322,938x = 254,045,232,841
  5. Step 5: Solve for x
    x = 254,045,232,841/322,938
  6. Step 6: Final answer
    x = 786,668.75

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.