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Finding the Third Proportional to 708,937.31 and 1,089,687.94

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Solution

The third proportional to 708,937.31 and 1,089,687.94 is: 1,674,929.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,937.31 : 1,089,687.94 = 1,089,687.94 : x
  2. Step 2: Convert to fraction form
    708,937.31/1,089,687.94 = 1,089,687.94/x
  3. Step 3: Cross multiply
    708,937.31x = 1,089,687.94 × 1,089,687.94
  4. Step 4: Simplify right side
    708,937.31x = 1,187,419,801,133.00
  5. Step 5: Solve for x
    x = 1,187,419,801,133.00/708,937.31
  6. Step 6: Final answer
    x = 1,674,929.19

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