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Finding the Third Proportional to 305,340 and 672,672

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Solution

The third proportional to 305,340 and 672,672 is: 1,481,914.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,340 : 672,672 = 672,672 : x
  2. Step 2: Convert to fraction form
    305,340/672,672 = 672,672/x
  3. Step 3: Cross multiply
    305,340x = 672,672 × 672,672
  4. Step 4: Simplify right side
    305,340x = 452,487,619,584
  5. Step 5: Solve for x
    x = 452,487,619,584/305,340
  6. Step 6: Final answer
    x = 1,481,914.00

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.