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Finding the Third Proportional to 3,437,803.50 and 7,285,405.50

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Solution

The third proportional to 3,437,803.50 and 7,285,405.50 is: 15,439,257.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437,803.50 : 7,285,405.50 = 7,285,405.50 : x
  2. Step 2: Convert to fraction form
    3,437,803.50/7,285,405.50 = 7,285,405.50/x
  3. Step 3: Cross multiply
    3,437,803.50x = 7,285,405.50 × 7,285,405.50
  4. Step 4: Simplify right side
    3,437,803.50x = 53,077,133,299,430.25
  5. Step 5: Solve for x
    x = 53,077,133,299,430.25/3,437,803.50
  6. Step 6: Final answer
    x = 15,439,257.45

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.