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Finding the Third Proportional to 297,892.50 and 449,620.50

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Solution

The third proportional to 297,892.50 and 449,620.50 is: 678,629.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,892.50 : 449,620.50 = 449,620.50 : x
  2. Step 2: Convert to fraction form
    297,892.50/449,620.50 = 449,620.50/x
  3. Step 3: Cross multiply
    297,892.50x = 449,620.50 × 449,620.50
  4. Step 4: Simplify right side
    297,892.50x = 202,158,594,020.25
  5. Step 5: Solve for x
    x = 202,158,594,020.25/297,892.50
  6. Step 6: Final answer
    x = 678,629.35

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.