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Finding the Third Proportional to 3,212,469 and 4,974,223

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Solution

The third proportional to 3,212,469 and 4,974,223 is: 7,702,142.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212,469 : 4,974,223 = 4,974,223 : x
  2. Step 2: Convert to fraction form
    3,212,469/4,974,223 = 4,974,223/x
  3. Step 3: Cross multiply
    3,212,469x = 4,974,223 × 4,974,223
  4. Step 4: Simplify right side
    3,212,469x = 24,742,894,453,729
  5. Step 5: Solve for x
    x = 24,742,894,453,729/3,212,469
  6. Step 6: Final answer
    x = 7,702,142.64

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.