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Finding the Third Proportional to 3,864,148 and 8,392,603

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Solution

The third proportional to 3,864,148 and 8,392,603 is: 18,228,024.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864,148 : 8,392,603 = 8,392,603 : x
  2. Step 2: Convert to fraction form
    3,864,148/8,392,603 = 8,392,603/x
  3. Step 3: Cross multiply
    3,864,148x = 8,392,603 × 8,392,603
  4. Step 4: Simplify right side
    3,864,148x = 70,435,785,115,609
  5. Step 5: Solve for x
    x = 70,435,785,115,609/3,864,148
  6. Step 6: Final answer
    x = 18,228,024.68

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.