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Finding the Third Proportional to 8,668,833 and 12,751,878

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Solution

The third proportional to 8,668,833 and 12,751,878 is: 18,758,048.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668,833 : 12,751,878 = 12,751,878 : x
  2. Step 2: Convert to fraction form
    8,668,833/12,751,878 = 12,751,878/x
  3. Step 3: Cross multiply
    8,668,833x = 12,751,878 × 12,751,878
  4. Step 4: Simplify right side
    8,668,833x = 162,610,392,526,884
  5. Step 5: Solve for x
    x = 162,610,392,526,884/8,668,833
  6. Step 6: Final answer
    x = 18,758,048.81

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.