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Finding the Third Proportional to 4,484,975 and 9,792,037

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Solution

The third proportional to 4,484,975 and 9,792,037 is: 21,378,934.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,484,975 : 9,792,037 = 9,792,037 : x
  2. Step 2: Convert to fraction form
    4,484,975/9,792,037 = 9,792,037/x
  3. Step 3: Cross multiply
    4,484,975x = 9,792,037 × 9,792,037
  4. Step 4: Simplify right side
    4,484,975x = 95,883,988,609,369
  5. Step 5: Solve for x
    x = 95,883,988,609,369/4,484,975
  6. Step 6: Final answer
    x = 21,378,934.91

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.