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Finding the Third Proportional to 7,389,498 and 11,767,245

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Solution

The third proportional to 7,389,498 and 11,767,245 is: 18,738,492.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389,498 : 11,767,245 = 11,767,245 : x
  2. Step 2: Convert to fraction form
    7,389,498/11,767,245 = 11,767,245/x
  3. Step 3: Cross multiply
    7,389,498x = 11,767,245 × 11,767,245
  4. Step 4: Simplify right side
    7,389,498x = 138,468,054,890,025
  5. Step 5: Solve for x
    x = 138,468,054,890,025/7,389,498
  6. Step 6: Final answer
    x = 18,738,492.78

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.