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Finding the Third Proportional to 12,399,440 and 26,273,856

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Solution

The third proportional to 12,399,440 and 26,273,856 is: 55,673,119.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,399,440 : 26,273,856 = 26,273,856 : x
  2. Step 2: Convert to fraction form
    12,399,440/26,273,856 = 26,273,856/x
  3. Step 3: Cross multiply
    12,399,440x = 26,273,856 × 26,273,856
  4. Step 4: Simplify right side
    12,399,440x = 690,315,509,108,736
  5. Step 5: Solve for x
    x = 690,315,509,108,736/12,399,440
  6. Step 6: Final answer
    x = 55,673,119.84

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.