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Finding the Third Proportional to 20,699,363,392 and 45,025,468,858

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Solution

The third proportional to 20,699,363,392 and 45,025,468,858 is: 97,939,864,501.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,699,363,392 : 45,025,468,858 = 45,025,468,858 : x
  2. Step 2: Convert to fraction form
    20,699,363,392/45,025,468,858 = 45,025,468,858/x
  3. Step 3: Cross multiply
    20,699,363,392x = 45,025,468,858 × 45,025,468,858
  4. Step 4: Simplify right side
    20,699,363,392x = 2,027,292,845,882,727,727,104
  5. Step 5: Solve for x
    x = 2,027,292,845,882,727,727,104/20,699,363,392
  6. Step 6: Final answer
    x = 97,939,864,501.64

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.