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Finding the Third Proportional to 90,804,028 and 199,268,216

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Solution

The third proportional to 90,804,028 and 199,268,216 is: 437,291,415.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,804,028 : 199,268,216 = 199,268,216 : x
  2. Step 2: Convert to fraction form
    90,804,028/199,268,216 = 199,268,216/x
  3. Step 3: Cross multiply
    90,804,028x = 199,268,216 × 199,268,216
  4. Step 4: Simplify right side
    90,804,028x = 39,707,821,907,822,656
  5. Step 5: Solve for x
    x = 39,707,821,907,822,656/90,804,028
  6. Step 6: Final answer
    x = 437,291,415.18

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.