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Finding the Third Proportional to 18,453,759 and 43,116,309

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Solution

The third proportional to 18,453,759 and 43,116,309 is: 100,739,155.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453,759 : 43,116,309 = 43,116,309 : x
  2. Step 2: Convert to fraction form
    18,453,759/43,116,309 = 43,116,309/x
  3. Step 3: Cross multiply
    18,453,759x = 43,116,309 × 43,116,309
  4. Step 4: Simplify right side
    18,453,759x = 1,859,016,101,783,481
  5. Step 5: Solve for x
    x = 1,859,016,101,783,481/18,453,759
  6. Step 6: Final answer
    x = 100,739,155.73

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.