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Finding the Third Proportional to 338,502 and 729,903

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Solution

The third proportional to 338,502 and 729,903 is: 1,573,870.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,502 : 729,903 = 729,903 : x
  2. Step 2: Convert to fraction form
    338,502/729,903 = 729,903/x
  3. Step 3: Cross multiply
    338,502x = 729,903 × 729,903
  4. Step 4: Simplify right side
    338,502x = 532,758,389,409
  5. Step 5: Solve for x
    x = 532,758,389,409/338,502
  6. Step 6: Final answer
    x = 1,573,870.73

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.