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Finding the Third Proportional to 304,821 and 452,817

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Solution

The third proportional to 304,821 and 452,817 is: 672,667.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,821 : 452,817 = 452,817 : x
  2. Step 2: Convert to fraction form
    304,821/452,817 = 452,817/x
  3. Step 3: Cross multiply
    304,821x = 452,817 × 452,817
  4. Step 4: Simplify right side
    304,821x = 205,043,235,489
  5. Step 5: Solve for x
    x = 205,043,235,489/304,821
  6. Step 6: Final answer
    x = 672,667.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.