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Finding the Third Proportional to 8,962,440 and 13,775,916

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Solution

The third proportional to 8,962,440 and 13,775,916 is: 21,174,575.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,962,440 : 13,775,916 = 13,775,916 : x
  2. Step 2: Convert to fraction form
    8,962,440/13,775,916 = 13,775,916/x
  3. Step 3: Cross multiply
    8,962,440x = 13,775,916 × 13,775,916
  4. Step 4: Simplify right side
    8,962,440x = 189,775,861,639,056
  5. Step 5: Solve for x
    x = 189,775,861,639,056/8,962,440
  6. Step 6: Final answer
    x = 21,174,575.41

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.