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Finding the Third Proportional to 301,765.50 and 628,081.50

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Solution

The third proportional to 301,765.50 and 628,081.50 is: 1,307,261.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,765.50 : 628,081.50 = 628,081.50 : x
  2. Step 2: Convert to fraction form
    301,765.50/628,081.50 = 628,081.50/x
  3. Step 3: Cross multiply
    301,765.50x = 628,081.50 × 628,081.50
  4. Step 4: Simplify right side
    301,765.50x = 394,486,370,642.25
  5. Step 5: Solve for x
    x = 394,486,370,642.25/301,765.50
  6. Step 6: Final answer
    x = 1,307,261.34

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.