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Finding the Third Proportional to 297,750 and 647,984

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Solution

The third proportional to 297,750 and 647,984 is: 1,410,187.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,750 : 647,984 = 647,984 : x
  2. Step 2: Convert to fraction form
    297,750/647,984 = 647,984/x
  3. Step 3: Cross multiply
    297,750x = 647,984 × 647,984
  4. Step 4: Simplify right side
    297,750x = 419,883,264,256
  5. Step 5: Solve for x
    x = 419,883,264,256/297,750
  6. Step 6: Final answer
    x = 1,410,187.29

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.