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Finding the Third Proportional to 18,334,866 and 38,855,356

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Solution

The third proportional to 18,334,866 and 38,855,356 is: 82,342,499.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,334,866 : 38,855,356 = 38,855,356 : x
  2. Step 2: Convert to fraction form
    18,334,866/38,855,356 = 38,855,356/x
  3. Step 3: Cross multiply
    18,334,866x = 38,855,356 × 38,855,356
  4. Step 4: Simplify right side
    18,334,866x = 1,509,738,689,886,736
  5. Step 5: Solve for x
    x = 1,509,738,689,886,736/18,334,866
  6. Step 6: Final answer
    x = 82,342,499.25

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.