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Finding the Third Proportional to 183,629 and 389,303.50

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Solution

The third proportional to 183,629 and 389,303.50 is: 825,344.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,629 : 389,303.50 = 389,303.50 : x
  2. Step 2: Convert to fraction form
    183,629/389,303.50 = 389,303.50/x
  3. Step 3: Cross multiply
    183,629x = 389,303.50 × 389,303.50
  4. Step 4: Simplify right side
    183,629x = 151,557,215,112.25
  5. Step 5: Solve for x
    x = 151,557,215,112.25/183,629
  6. Step 6: Final answer
    x = 825,344.66

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.