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Finding the Third Proportional to 359,939 and 787,675

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Solution

The third proportional to 359,939 and 787,675 is: 1,723,714.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,939 : 787,675 = 787,675 : x
  2. Step 2: Convert to fraction form
    359,939/787,675 = 787,675/x
  3. Step 3: Cross multiply
    359,939x = 787,675 × 787,675
  4. Step 4: Simplify right side
    359,939x = 620,431,905,625
  5. Step 5: Solve for x
    x = 620,431,905,625/359,939
  6. Step 6: Final answer
    x = 1,723,714.03

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.