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Finding the Third Proportional to 551,805.19 and 828,258.19

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Solution

The third proportional to 551,805.19 and 828,258.19 is: 1,243,213.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,805.19 : 828,258.19 = 828,258.19 : x
  2. Step 2: Convert to fraction form
    551,805.19/828,258.19 = 828,258.19/x
  3. Step 3: Cross multiply
    551,805.19x = 828,258.19 × 828,258.19
  4. Step 4: Simplify right side
    551,805.19x = 686,011,625,160.79
  5. Step 5: Solve for x
    x = 686,011,625,160.79/551,805.19
  6. Step 6: Final answer
    x = 1,243,213.44

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