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Finding the Third Proportional to 303,835 and 664,937

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Solution

The third proportional to 303,835 and 664,937 is: 1,455,201.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,835 : 664,937 = 664,937 : x
  2. Step 2: Convert to fraction form
    303,835/664,937 = 664,937/x
  3. Step 3: Cross multiply
    303,835x = 664,937 × 664,937
  4. Step 4: Simplify right side
    303,835x = 442,141,213,969
  5. Step 5: Solve for x
    x = 442,141,213,969/303,835
  6. Step 6: Final answer
    x = 1,455,201.72

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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.