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Finding the Third Proportional to 7,479,987 and 16,378,752

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Solution

The third proportional to 7,479,987 and 16,378,752 is: 35,864,168.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479,987 : 16,378,752 = 16,378,752 : x
  2. Step 2: Convert to fraction form
    7,479,987/16,378,752 = 16,378,752/x
  3. Step 3: Cross multiply
    7,479,987x = 16,378,752 × 16,378,752
  4. Step 4: Simplify right side
    7,479,987x = 268,263,517,077,504
  5. Step 5: Solve for x
    x = 268,263,517,077,504/7,479,987
  6. Step 6: Final answer
    x = 35,864,168.89

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.