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Finding the Third Proportional to 18,140,615,078 and 28,166,021,985

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Solution

The third proportional to 18,140,615,078 and 28,166,021,985 is: 43,731,967,799.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140,615,078 : 28,166,021,985 = 28,166,021,985 : x
  2. Step 2: Convert to fraction form
    18,140,615,078/28,166,021,985 = 28,166,021,985/x
  3. Step 3: Cross multiply
    18,140,615,078x = 28,166,021,985 × 28,166,021,985
  4. Step 4: Simplify right side
    18,140,615,078x = 793,324,794,459,503,329,280
  5. Step 5: Solve for x
    x = 793,324,794,459,503,329,280/18,140,615,078
  6. Step 6: Final answer
    x = 43,731,967,799.79

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.