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Finding the Third Proportional to 18,927,290 and 41,176,086

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Solution

The third proportional to 18,927,290 and 41,176,086 is: 89,578,067.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,927,290 : 41,176,086 = 41,176,086 : x
  2. Step 2: Convert to fraction form
    18,927,290/41,176,086 = 41,176,086/x
  3. Step 3: Cross multiply
    18,927,290x = 41,176,086 × 41,176,086
  4. Step 4: Simplify right side
    18,927,290x = 1,695,470,058,279,396
  5. Step 5: Solve for x
    x = 1,695,470,058,279,396/18,927,290
  6. Step 6: Final answer
    x = 89,578,067.35

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.