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Finding the Third Proportional to 18,401,913 and 27,860,773.50

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Solution

The third proportional to 18,401,913 and 27,860,773.50 is: 42,181,630.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401,913 : 27,860,773.50 = 27,860,773.50 : x
  2. Step 2: Convert to fraction form
    18,401,913/27,860,773.50 = 27,860,773.50/x
  3. Step 3: Cross multiply
    18,401,913x = 27,860,773.50 × 27,860,773.50
  4. Step 4: Simplify right side
    18,401,913x = 776,222,700,018,302.25
  5. Step 5: Solve for x
    x = 776,222,700,018,302.25/18,401,913
  6. Step 6: Final answer
    x = 42,181,630.79

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.