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Finding the Third Proportional to 290,046 and 622,937

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Solution

The third proportional to 290,046 and 622,937 is: 1,337,892.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,046 : 622,937 = 622,937 : x
  2. Step 2: Convert to fraction form
    290,046/622,937 = 622,937/x
  3. Step 3: Cross multiply
    290,046x = 622,937 × 622,937
  4. Step 4: Simplify right side
    290,046x = 388,050,505,969
  5. Step 5: Solve for x
    x = 388,050,505,969/290,046
  6. Step 6: Final answer
    x = 1,337,892.98

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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.