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Finding the Third Proportional to 8,729,446 and 20,577,732

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Solution

The third proportional to 8,729,446 and 20,577,732 is: 48,507,437.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729,446 : 20,577,732 = 20,577,732 : x
  2. Step 2: Convert to fraction form
    8,729,446/20,577,732 = 20,577,732/x
  3. Step 3: Cross multiply
    8,729,446x = 20,577,732 × 20,577,732
  4. Step 4: Simplify right side
    8,729,446x = 423,443,054,263,824
  5. Step 5: Solve for x
    x = 423,443,054,263,824/8,729,446
  6. Step 6: Final answer
    x = 48,507,437.27

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.