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Finding the Third Proportional to 871,556.72 and 1,897,445.44

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Solution

The third proportional to 871,556.72 and 1,897,445.44 is: 4,130,883.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,556.72 : 1,897,445.44 = 1,897,445.44 : x
  2. Step 2: Convert to fraction form
    871,556.72/1,897,445.44 = 1,897,445.44/x
  3. Step 3: Cross multiply
    871,556.72x = 1,897,445.44 × 1,897,445.44
  4. Step 4: Simplify right side
    871,556.72x = 3,600,299,188,289.57
  5. Step 5: Solve for x
    x = 3,600,299,188,289.57/871,556.72
  6. Step 6: Final answer
    x = 4,130,883.41

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.