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Finding the Third Proportional to 1,859,843 and 3,942,881.50

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Solution

The third proportional to 1,859,843 and 3,942,881.50 is: 8,358,939.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,843 : 3,942,881.50 = 3,942,881.50 : x
  2. Step 2: Convert to fraction form
    1,859,843/3,942,881.50 = 3,942,881.50/x
  3. Step 3: Cross multiply
    1,859,843x = 3,942,881.50 × 3,942,881.50
  4. Step 4: Simplify right side
    1,859,843x = 15,546,314,523,042.25
  5. Step 5: Solve for x
    x = 15,546,314,523,042.25/1,859,843
  6. Step 6: Final answer
    x = 8,358,939.18

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.