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Finding the Third Proportional to 20,553,712 and 45,176,352

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Solution

The third proportional to 20,553,712 and 45,176,352 is: 99,296,067.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,553,712 : 45,176,352 = 45,176,352 : x
  2. Step 2: Convert to fraction form
    20,553,712/45,176,352 = 45,176,352/x
  3. Step 3: Cross multiply
    20,553,712x = 45,176,352 × 45,176,352
  4. Step 4: Simplify right side
    20,553,712x = 2,040,902,780,027,904
  5. Step 5: Solve for x
    x = 2,040,902,780,027,904/20,553,712
  6. Step 6: Final answer
    x = 99,296,067.79

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.