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Finding the Third Proportional to 3,102,138 and 4,656,491

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Solution

The third proportional to 3,102,138 and 4,656,491 is: 6,989,665.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102,138 : 4,656,491 = 4,656,491 : x
  2. Step 2: Convert to fraction form
    3,102,138/4,656,491 = 4,656,491/x
  3. Step 3: Cross multiply
    3,102,138x = 4,656,491 × 4,656,491
  4. Step 4: Simplify right side
    3,102,138x = 21,682,908,433,081
  5. Step 5: Solve for x
    x = 21,682,908,433,081/3,102,138
  6. Step 6: Final answer
    x = 6,989,665.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.