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Finding the Third Proportional to 404,429,543 and 871,155,781

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Solution

The third proportional to 404,429,543 and 871,155,781 is: 1,876,500,883.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,429,543 : 871,155,781 = 871,155,781 : x
  2. Step 2: Convert to fraction form
    404,429,543/871,155,781 = 871,155,781/x
  3. Step 3: Cross multiply
    404,429,543x = 871,155,781 × 871,155,781
  4. Step 4: Simplify right side
    404,429,543x = 758,912,394,769,719,936
  5. Step 5: Solve for x
    x = 758,912,394,769,719,936/404,429,543
  6. Step 6: Final answer
    x = 1,876,500,883.54

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.