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Finding the Third Proportional to 8,408,832 and 18,445,488

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Solution

The third proportional to 8,408,832 and 18,445,488 is: 40,461,746.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408,832 : 18,445,488 = 18,445,488 : x
  2. Step 2: Convert to fraction form
    8,408,832/18,445,488 = 18,445,488/x
  3. Step 3: Cross multiply
    8,408,832x = 18,445,488 × 18,445,488
  4. Step 4: Simplify right side
    8,408,832x = 340,236,027,558,144
  5. Step 5: Solve for x
    x = 340,236,027,558,144/8,408,832
  6. Step 6: Final answer
    x = 40,461,746.36

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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.