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Finding the Third Proportional to 488,454.75 and 737,786.25

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Solution

The third proportional to 488,454.75 and 737,786.25 is: 1,114,388.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,454.75 : 737,786.25 = 737,786.25 : x
  2. Step 2: Convert to fraction form
    488,454.75/737,786.25 = 737,786.25/x
  3. Step 3: Cross multiply
    488,454.75x = 737,786.25 × 737,786.25
  4. Step 4: Simplify right side
    488,454.75x = 544,328,550,689.06
  5. Step 5: Solve for x
    x = 544,328,550,689.06/488,454.75
  6. Step 6: Final answer
    x = 1,114,388.90

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.