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Finding the Third Proportional to 303,468 and 664,986

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Solution

The third proportional to 303,468 and 664,986 is: 1,457,176.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,468 : 664,986 = 664,986 : x
  2. Step 2: Convert to fraction form
    303,468/664,986 = 664,986/x
  3. Step 3: Cross multiply
    303,468x = 664,986 × 664,986
  4. Step 4: Simplify right side
    303,468x = 442,206,380,196
  5. Step 5: Solve for x
    x = 442,206,380,196/303,468
  6. Step 6: Final answer
    x = 1,457,176.31

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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.