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Finding the Third Proportional to 3,509,129.50 and 7,652,867

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Solution

The third proportional to 3,509,129.50 and 7,652,867 is: 16,689,715.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509,129.50 : 7,652,867 = 7,652,867 : x
  2. Step 2: Convert to fraction form
    3,509,129.50/7,652,867 = 7,652,867/x
  3. Step 3: Cross multiply
    3,509,129.50x = 7,652,867 × 7,652,867
  4. Step 4: Simplify right side
    3,509,129.50x = 58,566,373,319,689
  5. Step 5: Solve for x
    x = 58,566,373,319,689/3,509,129.50
  6. Step 6: Final answer
    x = 16,689,715.59

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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.