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Finding the Third Proportional to 4,509,104 and 9,990,432

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Solution

The third proportional to 4,509,104 and 9,990,432 is: 22,134,936.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,509,104 : 9,990,432 = 9,990,432 : x
  2. Step 2: Convert to fraction form
    4,509,104/9,990,432 = 9,990,432/x
  3. Step 3: Cross multiply
    4,509,104x = 9,990,432 × 9,990,432
  4. Step 4: Simplify right side
    4,509,104x = 99,808,731,546,624
  5. Step 5: Solve for x
    x = 99,808,731,546,624/4,509,104
  6. Step 6: Final answer
    x = 22,134,936.69

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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.