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Finding the Third Proportional to 21,222,804 and 45,471,323

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Solution

The third proportional to 21,222,804 and 45,471,323 is: 97,425,449.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,222,804 : 45,471,323 = 45,471,323 : x
  2. Step 2: Convert to fraction form
    21,222,804/45,471,323 = 45,471,323/x
  3. Step 3: Cross multiply
    21,222,804x = 45,471,323 × 45,471,323
  4. Step 4: Simplify right side
    21,222,804x = 2,067,641,215,370,329
  5. Step 5: Solve for x
    x = 2,067,641,215,370,329/21,222,804
  6. Step 6: Final answer
    x = 97,425,449.31

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.