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Finding the Third Proportional to 283,438.50 and 622,167

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Solution

The third proportional to 283,438.50 and 622,167 is: 1,365,699.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,438.50 : 622,167 = 622,167 : x
  2. Step 2: Convert to fraction form
    283,438.50/622,167 = 622,167/x
  3. Step 3: Cross multiply
    283,438.50x = 622,167 × 622,167
  4. Step 4: Simplify right side
    283,438.50x = 387,091,775,889
  5. Step 5: Solve for x
    x = 387,091,775,889/283,438.50
  6. Step 6: Final answer
    x = 1,365,699.35

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.