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Finding the Third Proportional to 815,874.75 and 1,146,902.63

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Solution

The third proportional to 815,874.75 and 1,146,902.63 is: 1,612,239.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,874.75 : 1,146,902.63 = 1,146,902.63 : x
  2. Step 2: Convert to fraction form
    815,874.75/1,146,902.63 = 1,146,902.63/x
  3. Step 3: Cross multiply
    815,874.75x = 1,146,902.63 × 1,146,902.63
  4. Step 4: Simplify right side
    815,874.75x = 1,315,385,631,231.89
  5. Step 5: Solve for x
    x = 1,315,385,631,231.89/815,874.75
  6. Step 6: Final answer
    x = 1,612,239.66

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.