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Finding the Third Proportional to 410,297 and 853,211

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Solution

The third proportional to 410,297 and 853,211 is: 1,774,248.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,297 : 853,211 = 853,211 : x
  2. Step 2: Convert to fraction form
    410,297/853,211 = 853,211/x
  3. Step 3: Cross multiply
    410,297x = 853,211 × 853,211
  4. Step 4: Simplify right side
    410,297x = 727,969,010,521
  5. Step 5: Solve for x
    x = 727,969,010,521/410,297
  6. Step 6: Final answer
    x = 1,774,248.92

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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.