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Finding the Third Proportional to 8,792,390 and 18,529,420

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Solution

The third proportional to 8,792,390 and 18,529,420 is: 39,049,610.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792,390 : 18,529,420 = 18,529,420 : x
  2. Step 2: Convert to fraction form
    8,792,390/18,529,420 = 18,529,420/x
  3. Step 3: Cross multiply
    8,792,390x = 18,529,420 × 18,529,420
  4. Step 4: Simplify right side
    8,792,390x = 343,339,405,536,400
  5. Step 5: Solve for x
    x = 343,339,405,536,400/8,792,390
  6. Step 6: Final answer
    x = 39,049,610.58

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.