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Finding the Third Proportional to 3,631,899.75 and 5,428,440

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Solution

The third proportional to 3,631,899.75 and 5,428,440 is: 8,113,649.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631,899.75 : 5,428,440 = 5,428,440 : x
  2. Step 2: Convert to fraction form
    3,631,899.75/5,428,440 = 5,428,440/x
  3. Step 3: Cross multiply
    3,631,899.75x = 5,428,440 × 5,428,440
  4. Step 4: Simplify right side
    3,631,899.75x = 29,467,960,833,600
  5. Step 5: Solve for x
    x = 29,467,960,833,600/3,631,899.75
  6. Step 6: Final answer
    x = 8,113,649.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.