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Finding the Third Proportional to 938,718 and 2,018,901

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Solution

The third proportional to 938,718 and 2,018,901 is: 4,342,050.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,718 : 2,018,901 = 2,018,901 : x
  2. Step 2: Convert to fraction form
    938,718/2,018,901 = 2,018,901/x
  3. Step 3: Cross multiply
    938,718x = 2,018,901 × 2,018,901
  4. Step 4: Simplify right side
    938,718x = 4,075,961,247,801
  5. Step 5: Solve for x
    x = 4,075,961,247,801/938,718
  6. Step 6: Final answer
    x = 4,342,050.81

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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.