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Finding the Third Proportional to 21,222,819 and 45,471,348

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Solution

The third proportional to 21,222,819 and 45,471,348 is: 97,425,487.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,222,819 : 45,471,348 = 45,471,348 : x
  2. Step 2: Convert to fraction form
    21,222,819/45,471,348 = 45,471,348/x
  3. Step 3: Cross multiply
    21,222,819x = 45,471,348 × 45,471,348
  4. Step 4: Simplify right side
    21,222,819x = 2,067,643,488,937,104
  5. Step 5: Solve for x
    x = 2,067,643,488,937,104/21,222,819
  6. Step 6: Final answer
    x = 97,425,487.58

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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.