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Finding the Third Proportional to 18,738,499.50 and 45,141,801.19

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Solution

The third proportional to 18,738,499.50 and 45,141,801.19 is: 108,748,420.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,738,499.50 : 45,141,801.19 = 45,141,801.19 : x
  2. Step 2: Convert to fraction form
    18,738,499.50/45,141,801.19 = 45,141,801.19/x
  3. Step 3: Cross multiply
    18,738,499.50x = 45,141,801.19 × 45,141,801.19
  4. Step 4: Simplify right side
    18,738,499.50x = 2,037,782,214,451,776.50
  5. Step 5: Solve for x
    x = 2,037,782,214,451,776.50/18,738,499.50
  6. Step 6: Final answer
    x = 108,748,420.04

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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.