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Finding the Third Proportional to 18,544,078 and 28,367,239

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Solution

The third proportional to 18,544,078 and 28,367,239 is: 43,393,920.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,544,078 : 28,367,239 = 28,367,239 : x
  2. Step 2: Convert to fraction form
    18,544,078/28,367,239 = 28,367,239/x
  3. Step 3: Cross multiply
    18,544,078x = 28,367,239 × 28,367,239
  4. Step 4: Simplify right side
    18,544,078x = 804,700,248,483,121
  5. Step 5: Solve for x
    x = 804,700,248,483,121/18,544,078
  6. Step 6: Final answer
    x = 43,393,920.61

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.