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Finding the Third Proportional to 9,615,917,403 and 20,887,160,849

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Solution

The third proportional to 9,615,917,403 and 20,887,160,849 is: 45,369,928,842.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,615,917,403 : 20,887,160,849 = 20,887,160,849 : x
  2. Step 2: Convert to fraction form
    9,615,917,403/20,887,160,849 = 20,887,160,849/x
  3. Step 3: Cross multiply
    9,615,917,403x = 20,887,160,849 × 20,887,160,849
  4. Step 4: Simplify right side
    9,615,917,403x = 436,273,488,331,998,429,184
  5. Step 5: Solve for x
    x = 436,273,488,331,998,429,184/9,615,917,403
  6. Step 6: Final answer
    x = 45,369,928,842.76

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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.