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Finding the Third Proportional to 7,202,866.50 and 10,987,231.50

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Solution

The third proportional to 7,202,866.50 and 10,987,231.50 is: 16,759,890.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,202,866.50 : 10,987,231.50 = 10,987,231.50 : x
  2. Step 2: Convert to fraction form
    7,202,866.50/10,987,231.50 = 10,987,231.50/x
  3. Step 3: Cross multiply
    7,202,866.50x = 10,987,231.50 × 10,987,231.50
  4. Step 4: Simplify right side
    7,202,866.50x = 120,719,256,034,592.25
  5. Step 5: Solve for x
    x = 120,719,256,034,592.25/7,202,866.50
  6. Step 6: Final answer
    x = 16,759,890.81

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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.