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Finding the Third Proportional to 491,481,988.88 and 1,055,902,331.25

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Solution

The third proportional to 491,481,988.88 and 1,055,902,331.25 is: 2,268,505,781.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,481,988.88 : 1,055,902,331.25 = 1,055,902,331.25 : x
  2. Step 2: Convert to fraction form
    491,481,988.88/1,055,902,331.25 = 1,055,902,331.25/x
  3. Step 3: Cross multiply
    491,481,988.88x = 1,055,902,331.25 × 1,055,902,331.25
  4. Step 4: Simplify right side
    491,481,988.88x = 1,114,929,733,139,184,768
  5. Step 5: Solve for x
    x = 1,114,929,733,139,184,768/491,481,988.88
  6. Step 6: Final answer
    x = 2,268,505,781.24

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.