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Finding the Third Proportional to 18,334,826 and 38,855,276

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Solution

The third proportional to 18,334,826 and 38,855,276 is: 82,342,339.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,334,826 : 38,855,276 = 38,855,276 : x
  2. Step 2: Convert to fraction form
    18,334,826/38,855,276 = 38,855,276/x
  3. Step 3: Cross multiply
    18,334,826x = 38,855,276 × 38,855,276
  4. Step 4: Simplify right side
    18,334,826x = 1,509,732,473,036,176
  5. Step 5: Solve for x
    x = 1,509,732,473,036,176/18,334,826
  6. Step 6: Final answer
    x = 82,342,339.82

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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.