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Finding the Third Proportional to 8,668,852 and 12,751,902

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Solution

The third proportional to 8,668,852 and 12,751,902 is: 18,758,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668,852 : 12,751,902 = 12,751,902 : x
  2. Step 2: Convert to fraction form
    8,668,852/12,751,902 = 12,751,902/x
  3. Step 3: Cross multiply
    8,668,852x = 12,751,902 × 12,751,902
  4. Step 4: Simplify right side
    8,668,852x = 162,611,004,617,604
  5. Step 5: Solve for x
    x = 162,611,004,617,604/8,668,852
  6. Step 6: Final answer
    x = 18,758,078.30

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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.