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Finding the Third Proportional to 10,355,919.75 and 15,533,880.75

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Solution

The third proportional to 10,355,919.75 and 15,533,880.75 is: 23,300,822.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355,919.75 : 15,533,880.75 = 15,533,880.75 : x
  2. Step 2: Convert to fraction form
    10,355,919.75/15,533,880.75 = 15,533,880.75/x
  3. Step 3: Cross multiply
    10,355,919.75x = 15,533,880.75 × 15,533,880.75
  4. Step 4: Simplify right side
    10,355,919.75x = 241,301,451,155,220.56
  5. Step 5: Solve for x
    x = 241,301,451,155,220.56/10,355,919.75
  6. Step 6: Final answer
    x = 23,300,822.81

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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.