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Finding the Third Proportional to 774,008 and 1,821,260

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Solution

The third proportional to 774,008 and 1,821,260 is: 4,285,469.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,008 : 1,821,260 = 1,821,260 : x
  2. Step 2: Convert to fraction form
    774,008/1,821,260 = 1,821,260/x
  3. Step 3: Cross multiply
    774,008x = 1,821,260 × 1,821,260
  4. Step 4: Simplify right side
    774,008x = 3,316,987,987,600
  5. Step 5: Solve for x
    x = 3,316,987,987,600/774,008
  6. Step 6: Final answer
    x = 4,285,469.90

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.