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Finding the Third Proportional to 335,878 and 709,672

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Solution

The third proportional to 335,878 and 709,672 is: 1,499,456.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,878 : 709,672 = 709,672 : x
  2. Step 2: Convert to fraction form
    335,878/709,672 = 709,672/x
  3. Step 3: Cross multiply
    335,878x = 709,672 × 709,672
  4. Step 4: Simplify right side
    335,878x = 503,634,347,584
  5. Step 5: Solve for x
    x = 503,634,347,584/335,878
  6. Step 6: Final answer
    x = 1,499,456.19

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.