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Finding the Third Proportional to 4,132,947 and 8,899,206

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Solution

The third proportional to 4,132,947 and 8,899,206 is: 19,162,081.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,132,947 : 8,899,206 = 8,899,206 : x
  2. Step 2: Convert to fraction form
    4,132,947/8,899,206 = 8,899,206/x
  3. Step 3: Cross multiply
    4,132,947x = 8,899,206 × 8,899,206
  4. Step 4: Simplify right side
    4,132,947x = 79,195,867,430,436
  5. Step 5: Solve for x
    x = 79,195,867,430,436/4,132,947
  6. Step 6: Final answer
    x = 19,162,081.54

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.