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Finding the Third Proportional to 18,183,817 and 28,232,021

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Solution

The third proportional to 18,183,817 and 28,232,021 is: 43,832,766.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,183,817 : 28,232,021 = 28,232,021 : x
  2. Step 2: Convert to fraction form
    18,183,817/28,232,021 = 28,232,021/x
  3. Step 3: Cross multiply
    18,183,817x = 28,232,021 × 28,232,021
  4. Step 4: Simplify right side
    18,183,817x = 797,047,009,744,441
  5. Step 5: Solve for x
    x = 797,047,009,744,441/18,183,817
  6. Step 6: Final answer
    x = 43,832,766.78

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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.