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Finding the Third Proportional to 496,617.75 and 768,818.25

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Solution

The third proportional to 496,617.75 and 768,818.25 is: 1,190,214.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,617.75 : 768,818.25 = 768,818.25 : x
  2. Step 2: Convert to fraction form
    496,617.75/768,818.25 = 768,818.25/x
  3. Step 3: Cross multiply
    496,617.75x = 768,818.25 × 768,818.25
  4. Step 4: Simplify right side
    496,617.75x = 591,081,501,533.06
  5. Step 5: Solve for x
    x = 591,081,501,533.06/496,617.75
  6. Step 6: Final answer
    x = 1,190,214.21

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Why These Related Problems?

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