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Finding the Third Proportional to 2,155,018.50 and 3,137,757.75

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Solution

The third proportional to 2,155,018.50 and 3,137,757.75 is: 4,568,649.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,018.50 : 3,137,757.75 = 3,137,757.75 : x
  2. Step 2: Convert to fraction form
    2,155,018.50/3,137,757.75 = 3,137,757.75/x
  3. Step 3: Cross multiply
    2,155,018.50x = 3,137,757.75 × 3,137,757.75
  4. Step 4: Simplify right side
    2,155,018.50x = 9,845,523,697,685.06
  5. Step 5: Solve for x
    x = 9,845,523,697,685.06/2,155,018.50
  6. Step 6: Final answer
    x = 4,568,649.27

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.