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Finding the Third Proportional to 18,202,749 and 39,106,922

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Solution

The third proportional to 18,202,749 and 39,106,922 is: 84,017,603.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,202,749 : 39,106,922 = 39,106,922 : x
  2. Step 2: Convert to fraction form
    18,202,749/39,106,922 = 39,106,922/x
  3. Step 3: Cross multiply
    18,202,749x = 39,106,922 × 39,106,922
  4. Step 4: Simplify right side
    18,202,749x = 1,529,351,348,314,084
  5. Step 5: Solve for x
    x = 1,529,351,348,314,084/18,202,749
  6. Step 6: Final answer
    x = 84,017,603.51

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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.