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Finding the Third Proportional to 6,427,378 and 8,813,355

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Solution

The third proportional to 6,427,378 and 8,813,355 is: 12,085,056.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427,378 : 8,813,355 = 8,813,355 : x
  2. Step 2: Convert to fraction form
    6,427,378/8,813,355 = 8,813,355/x
  3. Step 3: Cross multiply
    6,427,378x = 8,813,355 × 8,813,355
  4. Step 4: Simplify right side
    6,427,378x = 77,675,226,356,025
  5. Step 5: Solve for x
    x = 77,675,226,356,025/6,427,378
  6. Step 6: Final answer
    x = 12,085,056.51

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.