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Finding the Third Proportional to 4,078,731 and 8,577,366

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Solution

The third proportional to 4,078,731 and 8,577,366 is: 18,037,768.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078,731 : 8,577,366 = 8,577,366 : x
  2. Step 2: Convert to fraction form
    4,078,731/8,577,366 = 8,577,366/x
  3. Step 3: Cross multiply
    4,078,731x = 8,577,366 × 8,577,366
  4. Step 4: Simplify right side
    4,078,731x = 73,571,207,497,956
  5. Step 5: Solve for x
    x = 73,571,207,497,956/4,078,731
  6. Step 6: Final answer
    x = 18,037,768.98

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.