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Finding the Third Proportional to 8,660,172 and 12,107,430

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Solution

The third proportional to 8,660,172 and 12,107,430 is: 16,926,899.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,660,172 : 12,107,430 = 12,107,430 : x
  2. Step 2: Convert to fraction form
    8,660,172/12,107,430 = 12,107,430/x
  3. Step 3: Cross multiply
    8,660,172x = 12,107,430 × 12,107,430
  4. Step 4: Simplify right side
    8,660,172x = 146,589,861,204,900
  5. Step 5: Solve for x
    x = 146,589,861,204,900/8,660,172
  6. Step 6: Final answer
    x = 16,926,899.51

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.