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Finding the Third Proportional to 3,208,130.50 and 7,133,522.50

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Solution

The third proportional to 3,208,130.50 and 7,133,522.50 is: 15,861,930.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,130.50 : 7,133,522.50 = 7,133,522.50 : x
  2. Step 2: Convert to fraction form
    3,208,130.50/7,133,522.50 = 7,133,522.50/x
  3. Step 3: Cross multiply
    3,208,130.50x = 7,133,522.50 × 7,133,522.50
  4. Step 4: Simplify right side
    3,208,130.50x = 50,887,143,258,006.25
  5. Step 5: Solve for x
    x = 50,887,143,258,006.25/3,208,130.50
  6. Step 6: Final answer
    x = 15,861,930.57

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.