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Finding the Third Proportional to 18,757,328 and 40,645,816

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Solution

The third proportional to 18,757,328 and 40,645,816 is: 88,076,636.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,757,328 : 40,645,816 = 40,645,816 : x
  2. Step 2: Convert to fraction form
    18,757,328/40,645,816 = 40,645,816/x
  3. Step 3: Cross multiply
    18,757,328x = 40,645,816 × 40,645,816
  4. Step 4: Simplify right side
    18,757,328x = 1,652,082,358,305,856
  5. Step 5: Solve for x
    x = 1,652,082,358,305,856/18,757,328
  6. Step 6: Final answer
    x = 88,076,636.41

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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.