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Finding the Third Proportional to 505,544 and 768,718

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Solution

The third proportional to 505,544 and 768,718 is: 1,168,894.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,544 : 768,718 = 768,718 : x
  2. Step 2: Convert to fraction form
    505,544/768,718 = 768,718/x
  3. Step 3: Cross multiply
    505,544x = 768,718 × 768,718
  4. Step 4: Simplify right side
    505,544x = 590,927,363,524
  5. Step 5: Solve for x
    x = 590,927,363,524/505,544
  6. Step 6: Final answer
    x = 1,168,894.03

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.