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Finding the Third Proportional to 18,580,837.50 and 40,009,149

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Solution

The third proportional to 18,580,837.50 and 40,009,149 is: 86,149,615.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,580,837.50 : 40,009,149 = 40,009,149 : x
  2. Step 2: Convert to fraction form
    18,580,837.50/40,009,149 = 40,009,149/x
  3. Step 3: Cross multiply
    18,580,837.50x = 40,009,149 × 40,009,149
  4. Step 4: Simplify right side
    18,580,837.50x = 1,600,732,003,704,201
  5. Step 5: Solve for x
    x = 1,600,732,003,704,201/18,580,837.50
  6. Step 6: Final answer
    x = 86,149,615.36

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.