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Finding the Third Proportional to 18,734,698.83 and 28,102,046.34

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Solution

The third proportional to 18,734,698.83 and 28,102,046.34 is: 42,153,066.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,734,698.83 : 28,102,046.34 = 28,102,046.34 : x
  2. Step 2: Convert to fraction form
    18,734,698.83/28,102,046.34 = 28,102,046.34/x
  3. Step 3: Cross multiply
    18,734,698.83x = 28,102,046.34 × 28,102,046.34
  4. Step 4: Simplify right side
    18,734,698.83x = 789,725,008,706,272.75
  5. Step 5: Solve for x
    x = 789,725,008,706,272.75/18,734,698.83
  6. Step 6: Final answer
    x = 42,153,066.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.