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Finding the Third Proportional to 4,509,106 and 9,990,436

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Solution

The third proportional to 4,509,106 and 9,990,436 is: 22,134,944.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,509,106 : 9,990,436 = 9,990,436 : x
  2. Step 2: Convert to fraction form
    4,509,106/9,990,436 = 9,990,436/x
  3. Step 3: Cross multiply
    4,509,106x = 9,990,436 × 9,990,436
  4. Step 4: Simplify right side
    4,509,106x = 99,808,811,470,096
  5. Step 5: Solve for x
    x = 99,808,811,470,096/4,509,106
  6. Step 6: Final answer
    x = 22,134,944.59

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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.