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Finding the Third Proportional to 16,831,399 and 36,812,078

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Solution

The third proportional to 16,831,399 and 36,812,078 is: 80,511,969.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,831,399 : 36,812,078 = 36,812,078 : x
  2. Step 2: Convert to fraction form
    16,831,399/36,812,078 = 36,812,078/x
  3. Step 3: Cross multiply
    16,831,399x = 36,812,078 × 36,812,078
  4. Step 4: Simplify right side
    16,831,399x = 1,355,129,086,678,084
  5. Step 5: Solve for x
    x = 1,355,129,086,678,084/16,831,399
  6. Step 6: Final answer
    x = 80,511,969.72

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.