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Finding the Third Proportional to 10,355,919 and 15,533,879

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Solution

The third proportional to 10,355,919 and 15,533,879 is: 23,300,819.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355,919 : 15,533,879 = 15,533,879 : x
  2. Step 2: Convert to fraction form
    10,355,919/15,533,879 = 15,533,879/x
  3. Step 3: Cross multiply
    10,355,919x = 15,533,879 × 15,533,879
  4. Step 4: Simplify right side
    10,355,919x = 241,301,396,786,641
  5. Step 5: Solve for x
    x = 241,301,396,786,641/10,355,919
  6. Step 6: Final answer
    x = 23,300,819.25

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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.