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Finding the Third Proportional to 8,966,715 and 18,571,458

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Solution

The third proportional to 8,966,715 and 18,571,458 is: 38,464,370.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,966,715 : 18,571,458 = 18,571,458 : x
  2. Step 2: Convert to fraction form
    8,966,715/18,571,458 = 18,571,458/x
  3. Step 3: Cross multiply
    8,966,715x = 18,571,458 × 18,571,458
  4. Step 4: Simplify right side
    8,966,715x = 344,899,052,245,764
  5. Step 5: Solve for x
    x = 344,899,052,245,764/8,966,715
  6. Step 6: Final answer
    x = 38,464,370.98

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.