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Finding the Third Proportional to 2,188,669.78 and 3,496,435.03

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Solution

The third proportional to 2,188,669.78 and 3,496,435.03 is: 5,585,610.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,669.78 : 3,496,435.03 = 3,496,435.03 : x
  2. Step 2: Convert to fraction form
    2,188,669.78/3,496,435.03 = 3,496,435.03/x
  3. Step 3: Cross multiply
    2,188,669.78x = 3,496,435.03 × 3,496,435.03
  4. Step 4: Simplify right side
    2,188,669.78x = 12,225,057,927,752.19
  5. Step 5: Solve for x
    x = 12,225,057,927,752.19/2,188,669.78
  6. Step 6: Final answer
    x = 5,585,610.96

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.