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Finding the Third Proportional to 203,437 and 425,464

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Solution

The third proportional to 203,437 and 425,464 is: 889,806.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,437 : 425,464 = 425,464 : x
  2. Step 2: Convert to fraction form
    203,437/425,464 = 425,464/x
  3. Step 3: Cross multiply
    203,437x = 425,464 × 425,464
  4. Step 4: Simplify right side
    203,437x = 181,019,615,296
  5. Step 5: Solve for x
    x = 181,019,615,296/203,437
  6. Step 6: Final answer
    x = 889,806.75

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.