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Finding the Third Proportional to 3,379,830 and 7,515,330

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Solution

The third proportional to 3,379,830 and 7,515,330 is: 16,710,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379,830 : 7,515,330 = 7,515,330 : x
  2. Step 2: Convert to fraction form
    3,379,830/7,515,330 = 7,515,330/x
  3. Step 3: Cross multiply
    3,379,830x = 7,515,330 × 7,515,330
  4. Step 4: Simplify right side
    3,379,830x = 56,480,185,008,900
  5. Step 5: Solve for x
    x = 56,480,185,008,900/3,379,830
  6. Step 6: Final answer
    x = 16,710,954.40

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.