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Finding the Third Proportional to 30,036,340 and 46,530,238

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Solution

The third proportional to 30,036,340 and 46,530,238 is: 72,081,453.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,036,340 : 46,530,238 = 46,530,238 : x
  2. Step 2: Convert to fraction form
    30,036,340/46,530,238 = 46,530,238/x
  3. Step 3: Cross multiply
    30,036,340x = 46,530,238 × 46,530,238
  4. Step 4: Simplify right side
    30,036,340x = 2,165,063,048,336,644
  5. Step 5: Solve for x
    x = 2,165,063,048,336,644/30,036,340
  6. Step 6: Final answer
    x = 72,081,453.61

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.