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Finding the Third Proportional to 20,769,886 and 45,197,118

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Solution

The third proportional to 20,769,886 and 45,197,118 is: 98,352,945.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,769,886 : 45,197,118 = 45,197,118 : x
  2. Step 2: Convert to fraction form
    20,769,886/45,197,118 = 45,197,118/x
  3. Step 3: Cross multiply
    20,769,886x = 45,197,118 × 45,197,118
  4. Step 4: Simplify right side
    20,769,886x = 2,042,779,475,505,924
  5. Step 5: Solve for x
    x = 2,042,779,475,505,924/20,769,886
  6. Step 6: Final answer
    x = 98,352,945.97

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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.