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Finding the Third Proportional to 18,279,076,144 and 39,803,229,854

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Solution

The third proportional to 18,279,076,144 and 39,803,229,854 is: 86,672,712,249.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279,076,144 : 39,803,229,854 = 39,803,229,854 : x
  2. Step 2: Convert to fraction form
    18,279,076,144/39,803,229,854 = 39,803,229,854/x
  3. Step 3: Cross multiply
    18,279,076,144x = 39,803,229,854 × 39,803,229,854
  4. Step 4: Simplify right side
    18,279,076,144x = 1,584,297,106,810,356,891,648
  5. Step 5: Solve for x
    x = 1,584,297,106,810,356,891,648/18,279,076,144
  6. Step 6: Final answer
    x = 86,672,712,249.21

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.