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Finding the Third Proportional to 29,212,020 and 45,471,474

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Solution

The third proportional to 29,212,020 and 45,471,474 is: 70,780,964.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,212,020 : 45,471,474 = 45,471,474 : x
  2. Step 2: Convert to fraction form
    29,212,020/45,471,474 = 45,471,474/x
  3. Step 3: Cross multiply
    29,212,020x = 45,471,474 × 45,471,474
  4. Step 4: Simplify right side
    29,212,020x = 2,067,654,947,732,676
  5. Step 5: Solve for x
    x = 2,067,654,947,732,676/29,212,020
  6. Step 6: Final answer
    x = 70,780,964.40

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.