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Finding the Third Proportional to 552,531 and 853,205

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Solution

The third proportional to 552,531 and 853,205 is: 1,317,498.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,531 : 853,205 = 853,205 : x
  2. Step 2: Convert to fraction form
    552,531/853,205 = 853,205/x
  3. Step 3: Cross multiply
    552,531x = 853,205 × 853,205
  4. Step 4: Simplify right side
    552,531x = 727,958,772,025
  5. Step 5: Solve for x
    x = 727,958,772,025/552,531
  6. Step 6: Final answer
    x = 1,317,498.52

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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.