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Finding the Third Proportional to 8,408,704 and 18,445,172

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Solution

The third proportional to 8,408,704 and 18,445,172 is: 40,460,975.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408,704 : 18,445,172 = 18,445,172 : x
  2. Step 2: Convert to fraction form
    8,408,704/18,445,172 = 18,445,172/x
  3. Step 3: Cross multiply
    8,408,704x = 18,445,172 × 18,445,172
  4. Step 4: Simplify right side
    8,408,704x = 340,224,370,109,584
  5. Step 5: Solve for x
    x = 340,224,370,109,584/8,408,704
  6. Step 6: Final answer
    x = 40,460,975.93

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.