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Finding the Third Proportional to 334,568 and 721,672

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Solution

The third proportional to 334,568 and 721,672 is: 1,556,665.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,568 : 721,672 = 721,672 : x
  2. Step 2: Convert to fraction form
    334,568/721,672 = 721,672/x
  3. Step 3: Cross multiply
    334,568x = 721,672 × 721,672
  4. Step 4: Simplify right side
    334,568x = 520,810,475,584
  5. Step 5: Solve for x
    x = 520,810,475,584/334,568
  6. Step 6: Final answer
    x = 1,556,665.54

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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.