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Finding the Third Proportional to 407,892 and 573,378

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Solution

The third proportional to 407,892 and 573,378 is: 806,003.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,892 : 573,378 = 573,378 : x
  2. Step 2: Convert to fraction form
    407,892/573,378 = 573,378/x
  3. Step 3: Cross multiply
    407,892x = 573,378 × 573,378
  4. Step 4: Simplify right side
    407,892x = 328,762,330,884
  5. Step 5: Solve for x
    x = 328,762,330,884/407,892
  6. Step 6: Final answer
    x = 806,003.38

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.