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Finding the Third Proportional to 301,189.50 and 627,349.50

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Solution

The third proportional to 301,189.50 and 627,349.50 is: 1,306,710.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,189.50 : 627,349.50 = 627,349.50 : x
  2. Step 2: Convert to fraction form
    301,189.50/627,349.50 = 627,349.50/x
  3. Step 3: Cross multiply
    301,189.50x = 627,349.50 × 627,349.50
  4. Step 4: Simplify right side
    301,189.50x = 393,567,395,150.25
  5. Step 5: Solve for x
    x = 393,567,395,150.25/301,189.50
  6. Step 6: Final answer
    x = 1,306,710.21

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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.