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Finding the Third Proportional to 9,409,512 and 20,412,240

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Solution

The third proportional to 9,409,512 and 20,412,240 is: 44,280,674.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,409,512 : 20,412,240 = 20,412,240 : x
  2. Step 2: Convert to fraction form
    9,409,512/20,412,240 = 20,412,240/x
  3. Step 3: Cross multiply
    9,409,512x = 20,412,240 × 20,412,240
  4. Step 4: Simplify right side
    9,409,512x = 416,659,541,817,600
  5. Step 5: Solve for x
    x = 416,659,541,817,600/9,409,512
  6. Step 6: Final answer
    x = 44,280,674.90

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.