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Finding the Third Proportional to 291,692 and 449,984

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Solution

The third proportional to 291,692 and 449,984 is: 694,176.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,692 : 449,984 = 449,984 : x
  2. Step 2: Convert to fraction form
    291,692/449,984 = 449,984/x
  3. Step 3: Cross multiply
    291,692x = 449,984 × 449,984
  4. Step 4: Simplify right side
    291,692x = 202,485,600,256
  5. Step 5: Solve for x
    x = 202,485,600,256/291,692
  6. Step 6: Final answer
    x = 694,176.05

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.