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Finding the Third Proportional to 8,660,180 and 12,107,440

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Solution

The third proportional to 8,660,180 and 12,107,440 is: 16,926,911.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,660,180 : 12,107,440 = 12,107,440 : x
  2. Step 2: Convert to fraction form
    8,660,180/12,107,440 = 12,107,440/x
  3. Step 3: Cross multiply
    8,660,180x = 12,107,440 × 12,107,440
  4. Step 4: Simplify right side
    8,660,180x = 146,590,103,353,600
  5. Step 5: Solve for x
    x = 146,590,103,353,600/8,660,180
  6. Step 6: Final answer
    x = 16,926,911.84

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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.