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Finding the Third Proportional to 20,551,671.75 and 42,803,616

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Solution

The third proportional to 20,551,671.75 and 42,803,616 is: 89,148,443.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,551,671.75 : 42,803,616 = 42,803,616 : x
  2. Step 2: Convert to fraction form
    20,551,671.75/42,803,616 = 42,803,616/x
  3. Step 3: Cross multiply
    20,551,671.75x = 42,803,616 × 42,803,616
  4. Step 4: Simplify right side
    20,551,671.75x = 1,832,149,542,675,456
  5. Step 5: Solve for x
    x = 1,832,149,542,675,456/20,551,671.75
  6. Step 6: Final answer
    x = 89,148,443.25

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.