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Finding the Third Proportional to 395,624 and 628,995

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Solution

The third proportional to 395,624 and 628,995 is: 1,000,027.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,624 : 628,995 = 628,995 : x
  2. Step 2: Convert to fraction form
    395,624/628,995 = 628,995/x
  3. Step 3: Cross multiply
    395,624x = 628,995 × 628,995
  4. Step 4: Simplify right side
    395,624x = 395,634,710,025
  5. Step 5: Solve for x
    x = 395,634,710,025/395,624
  6. Step 6: Final answer
    x = 1,000,027.07

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These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.