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Finding the Third Proportional to 8,660,178 and 12,107,438

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Solution

The third proportional to 8,660,178 and 12,107,438 is: 16,926,910.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,660,178 : 12,107,438 = 12,107,438 : x
  2. Step 2: Convert to fraction form
    8,660,178/12,107,438 = 12,107,438/x
  3. Step 3: Cross multiply
    8,660,178x = 12,107,438 × 12,107,438
  4. Step 4: Simplify right side
    8,660,178x = 146,590,054,923,844
  5. Step 5: Solve for x
    x = 146,590,054,923,844/8,660,178
  6. Step 6: Final answer
    x = 16,926,910.15

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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.