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Finding the Third Proportional to 8,408,708 and 18,445,191

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Solution

The third proportional to 8,408,708 and 18,445,191 is: 40,461,040.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408,708 : 18,445,191 = 18,445,191 : x
  2. Step 2: Convert to fraction form
    8,408,708/18,445,191 = 18,445,191/x
  3. Step 3: Cross multiply
    8,408,708x = 18,445,191 × 18,445,191
  4. Step 4: Simplify right side
    8,408,708x = 340,225,071,026,481
  5. Step 5: Solve for x
    x = 340,225,071,026,481/8,408,708
  6. Step 6: Final answer
    x = 40,461,040.03

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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.