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Finding the Third Proportional to 4,491,391 and 6,903,663

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Solution

The third proportional to 4,491,391 and 6,903,663 is: 10,611,537.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,491,391 : 6,903,663 = 6,903,663 : x
  2. Step 2: Convert to fraction form
    4,491,391/6,903,663 = 6,903,663/x
  3. Step 3: Cross multiply
    4,491,391x = 6,903,663 × 6,903,663
  4. Step 4: Simplify right side
    4,491,391x = 47,660,562,817,569
  5. Step 5: Solve for x
    x = 47,660,562,817,569/4,491,391
  6. Step 6: Final answer
    x = 10,611,537.23

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.