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Finding the Third Proportional to 14,379,690 and 31,298,676

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Solution

The third proportional to 14,379,690 and 31,298,676 is: 68,124,355.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,379,690 : 31,298,676 = 31,298,676 : x
  2. Step 2: Convert to fraction form
    14,379,690/31,298,676 = 31,298,676/x
  3. Step 3: Cross multiply
    14,379,690x = 31,298,676 × 31,298,676
  4. Step 4: Simplify right side
    14,379,690x = 979,607,119,352,976
  5. Step 5: Solve for x
    x = 979,607,119,352,976/14,379,690
  6. Step 6: Final answer
    x = 68,124,355.90

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.