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Finding the Third Proportional to 21,581,846 and 45,159,100

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Solution

The third proportional to 21,581,846 and 45,159,100 is: 94,493,506.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,846 : 45,159,100 = 45,159,100 : x
  2. Step 2: Convert to fraction form
    21,581,846/45,159,100 = 45,159,100/x
  3. Step 3: Cross multiply
    21,581,846x = 45,159,100 × 45,159,100
  4. Step 4: Simplify right side
    21,581,846x = 2,039,344,312,810,000
  5. Step 5: Solve for x
    x = 2,039,344,312,810,000/21,581,846
  6. Step 6: Final answer
    x = 94,493,506.85

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.