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Finding the Third Proportional to 553,831 and 1,191,902

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Solution

The third proportional to 553,831 and 1,191,902 is: 2,565,097.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,831 : 1,191,902 = 1,191,902 : x
  2. Step 2: Convert to fraction form
    553,831/1,191,902 = 1,191,902/x
  3. Step 3: Cross multiply
    553,831x = 1,191,902 × 1,191,902
  4. Step 4: Simplify right side
    553,831x = 1,420,630,377,604
  5. Step 5: Solve for x
    x = 1,420,630,377,604/553,831
  6. Step 6: Final answer
    x = 2,565,097.25

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Why These Related Problems?

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