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Finding the Third Proportional to 18,279,076,142 and 39,803,229,850

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Solution

The third proportional to 18,279,076,142 and 39,803,229,850 is: 86,672,712,241.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279,076,142 : 39,803,229,850 = 39,803,229,850 : x
  2. Step 2: Convert to fraction form
    18,279,076,142/39,803,229,850 = 39,803,229,850/x
  3. Step 3: Cross multiply
    18,279,076,142x = 39,803,229,850 × 39,803,229,850
  4. Step 4: Simplify right side
    18,279,076,142x = 1,584,297,106,491,931,099,136
  5. Step 5: Solve for x
    x = 1,584,297,106,491,931,099,136/18,279,076,142
  6. Step 6: Final answer
    x = 86,672,712,241.28

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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.