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Finding the Third Proportional to 18,859,063.78 and 28,836,712.97

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Solution

The third proportional to 18,859,063.78 and 28,836,712.97 is: 44,093,175.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,859,063.78 : 28,836,712.97 = 28,836,712.97 : x
  2. Step 2: Convert to fraction form
    18,859,063.78/28,836,712.97 = 28,836,712.97/x
  3. Step 3: Cross multiply
    18,859,063.78x = 28,836,712.97 × 28,836,712.97
  4. Step 4: Simplify right side
    18,859,063.78x = 831,556,014,842,074.50
  5. Step 5: Solve for x
    x = 831,556,014,842,074.50/18,859,063.78
  6. Step 6: Final answer
    x = 44,093,175.81

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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.