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Finding the Third Proportional to 3,571,645.50 and 5,390,683

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Solution

The third proportional to 3,571,645.50 and 5,390,683 is: 8,136,155.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571,645.50 : 5,390,683 = 5,390,683 : x
  2. Step 2: Convert to fraction form
    3,571,645.50/5,390,683 = 5,390,683/x
  3. Step 3: Cross multiply
    3,571,645.50x = 5,390,683 × 5,390,683
  4. Step 4: Simplify right side
    3,571,645.50x = 29,059,463,206,489
  5. Step 5: Solve for x
    x = 29,059,463,206,489/3,571,645.50
  6. Step 6: Final answer
    x = 8,136,155.51

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.