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Finding the Third Proportional to 5,176,678 and 11,017,236

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Solution

The third proportional to 5,176,678 and 11,017,236 is: 23,447,370.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176,678 : 11,017,236 = 11,017,236 : x
  2. Step 2: Convert to fraction form
    5,176,678/11,017,236 = 11,017,236/x
  3. Step 3: Cross multiply
    5,176,678x = 11,017,236 × 11,017,236
  4. Step 4: Simplify right side
    5,176,678x = 121,379,489,079,696
  5. Step 5: Solve for x
    x = 121,379,489,079,696/5,176,678
  6. Step 6: Final answer
    x = 23,447,370.90

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.