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Finding the Third Proportional to 13,515,440 and 27,989,005

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Solution

The third proportional to 13,515,440 and 27,989,005 is: 57,962,182.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,515,440 : 27,989,005 = 27,989,005 : x
  2. Step 2: Convert to fraction form
    13,515,440/27,989,005 = 27,989,005/x
  3. Step 3: Cross multiply
    13,515,440x = 27,989,005 × 27,989,005
  4. Step 4: Simplify right side
    13,515,440x = 783,384,400,890,025
  5. Step 5: Solve for x
    x = 783,384,400,890,025/13,515,440
  6. Step 6: Final answer
    x = 57,962,182.58

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.