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Finding the Third Proportional to 9,171,450 and 13,780,287

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Solution

The third proportional to 9,171,450 and 13,780,287 is: 20,705,156.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,171,450 : 13,780,287 = 13,780,287 : x
  2. Step 2: Convert to fraction form
    9,171,450/13,780,287 = 13,780,287/x
  3. Step 3: Cross multiply
    9,171,450x = 13,780,287 × 13,780,287
  4. Step 4: Simplify right side
    9,171,450x = 189,896,309,802,369
  5. Step 5: Solve for x
    x = 189,896,309,802,369/9,171,450
  6. Step 6: Final answer
    x = 20,705,156.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.