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Finding the Third Proportional to 4,069,388,755 and 8,814,983,987

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Solution

The third proportional to 4,069,388,755 and 8,814,983,987 is: 19,094,745,518.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069,388,755 : 8,814,983,987 = 8,814,983,987 : x
  2. Step 2: Convert to fraction form
    4,069,388,755/8,814,983,987 = 8,814,983,987/x
  3. Step 3: Cross multiply
    4,069,388,755x = 8,814,983,987 × 8,814,983,987
  4. Step 4: Simplify right side
    4,069,388,755x = 77,703,942,691,066,413,056
  5. Step 5: Solve for x
    x = 77,703,942,691,066,413,056/4,069,388,755
  6. Step 6: Final answer
    x = 19,094,745,518.13

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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.