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Finding the Third Proportional to 303,666 and 664,534.50

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Solution

The third proportional to 303,666 and 664,534.50 is: 1,454,249.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,666 : 664,534.50 = 664,534.50 : x
  2. Step 2: Convert to fraction form
    303,666/664,534.50 = 664,534.50/x
  3. Step 3: Cross multiply
    303,666x = 664,534.50 × 664,534.50
  4. Step 4: Simplify right side
    303,666x = 441,606,101,690.25
  5. Step 5: Solve for x
    x = 441,606,101,690.25/303,666
  6. Step 6: Final answer
    x = 1,454,249.41

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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.