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Finding the Third Proportional to 552,530 and 853,203

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Solution

The third proportional to 552,530 and 853,203 is: 1,317,494.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,530 : 853,203 = 853,203 : x
  2. Step 2: Convert to fraction form
    552,530/853,203 = 853,203/x
  3. Step 3: Cross multiply
    552,530x = 853,203 × 853,203
  4. Step 4: Simplify right side
    552,530x = 727,955,359,209
  5. Step 5: Solve for x
    x = 727,955,359,209/552,530
  6. Step 6: Final answer
    x = 1,317,494.72

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.