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Finding the Third Proportional to 9,288,468 and 20,126,973

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Solution

The third proportional to 9,288,468 and 20,126,973 is: 43,612,686.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288,468 : 20,126,973 = 20,126,973 : x
  2. Step 2: Convert to fraction form
    9,288,468/20,126,973 = 20,126,973/x
  3. Step 3: Cross multiply
    9,288,468x = 20,126,973 × 20,126,973
  4. Step 4: Simplify right side
    9,288,468x = 405,095,042,142,729
  5. Step 5: Solve for x
    x = 405,095,042,142,729/9,288,468
  6. Step 6: Final answer
    x = 43,612,686.41

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.