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Finding the Third Proportional to 19,768,662,883 and 30,115,515,370.25

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Solution

The third proportional to 19,768,662,883 and 30,115,515,370.25 is: 45,877,876,080.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,768,662,883 : 30,115,515,370.25 = 30,115,515,370.25 : x
  2. Step 2: Convert to fraction form
    19,768,662,883/30,115,515,370.25 = 30,115,515,370.25/x
  3. Step 3: Cross multiply
    19,768,662,883x = 30,115,515,370.25 × 30,115,515,370.25
  4. Step 4: Simplify right side
    19,768,662,883x = 906,944,266,015,763,988,480
  5. Step 5: Solve for x
    x = 906,944,266,015,763,988,480/19,768,662,883
  6. Step 6: Final answer
    x = 45,877,876,080.11

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.