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Finding the Third Proportional to 18,463,543 and 42,739,796

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Solution

The third proportional to 18,463,543 and 42,739,796 is: 98,934,974.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,463,543 : 42,739,796 = 42,739,796 : x
  2. Step 2: Convert to fraction form
    18,463,543/42,739,796 = 42,739,796/x
  3. Step 3: Cross multiply
    18,463,543x = 42,739,796 × 42,739,796
  4. Step 4: Simplify right side
    18,463,543x = 1,826,690,162,121,616
  5. Step 5: Solve for x
    x = 1,826,690,162,121,616/18,463,543
  6. Step 6: Final answer
    x = 98,934,974.84

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.