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Finding the Third Proportional to 18,738,508 and 45,141,821

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Solution

The third proportional to 18,738,508 and 45,141,821 is: 108,748,466.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,738,508 : 45,141,821 = 45,141,821 : x
  2. Step 2: Convert to fraction form
    18,738,508/45,141,821 = 45,141,821/x
  3. Step 3: Cross multiply
    18,738,508x = 45,141,821 × 45,141,821
  4. Step 4: Simplify right side
    18,738,508x = 2,037,784,003,196,041
  5. Step 5: Solve for x
    x = 2,037,784,003,196,041/18,738,508
  6. Step 6: Final answer
    x = 108,748,466.16

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.