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Finding the Third Proportional to 4,102,947 and 8,928,333

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Solution

The third proportional to 4,102,947 and 8,928,333 is: 19,428,749.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102,947 : 8,928,333 = 8,928,333 : x
  2. Step 2: Convert to fraction form
    4,102,947/8,928,333 = 8,928,333/x
  3. Step 3: Cross multiply
    4,102,947x = 8,928,333 × 8,928,333
  4. Step 4: Simplify right side
    4,102,947x = 79,715,130,158,889
  5. Step 5: Solve for x
    x = 79,715,130,158,889/4,102,947
  6. Step 6: Final answer
    x = 19,428,749.67

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.