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Finding the Third Proportional to 7,315,434 and 10,867,176

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Solution

The third proportional to 7,315,434 and 10,867,176 is: 16,143,336.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315,434 : 10,867,176 = 10,867,176 : x
  2. Step 2: Convert to fraction form
    7,315,434/10,867,176 = 10,867,176/x
  3. Step 3: Cross multiply
    7,315,434x = 10,867,176 × 10,867,176
  4. Step 4: Simplify right side
    7,315,434x = 118,095,514,214,976
  5. Step 5: Solve for x
    x = 118,095,514,214,976/7,315,434
  6. Step 6: Final answer
    x = 16,143,336.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.