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Finding the Third Proportional to 12,120,015 and 17,006,820

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Solution

The third proportional to 12,120,015 and 17,006,820 is: 23,863,990.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,120,015 : 17,006,820 = 17,006,820 : x
  2. Step 2: Convert to fraction form
    12,120,015/17,006,820 = 17,006,820/x
  3. Step 3: Cross multiply
    12,120,015x = 17,006,820 × 17,006,820
  4. Step 4: Simplify right side
    12,120,015x = 289,231,926,512,400
  5. Step 5: Solve for x
    x = 289,231,926,512,400/12,120,015
  6. Step 6: Final answer
    x = 23,863,990.80

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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.