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Finding the Third Proportional to 18,512,224 and 40,208,648

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Solution

The third proportional to 18,512,224 and 40,208,648 is: 87,333,395.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,512,224 : 40,208,648 = 40,208,648 : x
  2. Step 2: Convert to fraction form
    18,512,224/40,208,648 = 40,208,648/x
  3. Step 3: Cross multiply
    18,512,224x = 40,208,648 × 40,208,648
  4. Step 4: Simplify right side
    18,512,224x = 1,616,735,373,987,904
  5. Step 5: Solve for x
    x = 1,616,735,373,987,904/18,512,224
  6. Step 6: Final answer
    x = 87,333,395.17

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.