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Finding the Third Proportional to 703,458 and 1,090,881

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Solution

The third proportional to 703,458 and 1,090,881 is: 1,691,673.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,458 : 1,090,881 = 1,090,881 : x
  2. Step 2: Convert to fraction form
    703,458/1,090,881 = 1,090,881/x
  3. Step 3: Cross multiply
    703,458x = 1,090,881 × 1,090,881
  4. Step 4: Simplify right side
    703,458x = 1,190,021,356,161
  5. Step 5: Solve for x
    x = 1,190,021,356,161/703,458
  6. Step 6: Final answer
    x = 1,691,673.64

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.