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Finding the Third Proportional to 448,520 and 674,652

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Solution

The third proportional to 448,520 and 674,652 is: 1,014,793.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,520 : 674,652 = 674,652 : x
  2. Step 2: Convert to fraction form
    448,520/674,652 = 674,652/x
  3. Step 3: Cross multiply
    448,520x = 674,652 × 674,652
  4. Step 4: Simplify right side
    448,520x = 455,155,321,104
  5. Step 5: Solve for x
    x = 455,155,321,104/448,520
  6. Step 6: Final answer
    x = 1,014,793.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.