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Finding the Third Proportional to 8,668,896 and 12,751,968

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Solution

The third proportional to 8,668,896 and 12,751,968 is: 18,758,177.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668,896 : 12,751,968 = 12,751,968 : x
  2. Step 2: Convert to fraction form
    8,668,896/12,751,968 = 12,751,968/x
  3. Step 3: Cross multiply
    8,668,896x = 12,751,968 × 12,751,968
  4. Step 4: Simplify right side
    8,668,896x = 162,612,687,873,024
  5. Step 5: Solve for x
    x = 162,612,687,873,024/8,668,896
  6. Step 6: Final answer
    x = 18,758,177.27

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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.