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Finding the Third Proportional to 4,491,390 and 6,903,660

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Solution

The third proportional to 4,491,390 and 6,903,660 is: 10,611,530.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,491,390 : 6,903,660 = 6,903,660 : x
  2. Step 2: Convert to fraction form
    4,491,390/6,903,660 = 6,903,660/x
  3. Step 3: Cross multiply
    4,491,390x = 6,903,660 × 6,903,660
  4. Step 4: Simplify right side
    4,491,390x = 47,660,521,395,600
  5. Step 5: Solve for x
    x = 47,660,521,395,600/4,491,390
  6. Step 6: Final answer
    x = 10,611,530.37

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.