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Finding the Third Proportional to 28,419,999 and 62,508,702

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Solution

The third proportional to 28,419,999 and 62,508,702 is: 137,485,501.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,419,999 : 62,508,702 = 62,508,702 : x
  2. Step 2: Convert to fraction form
    28,419,999/62,508,702 = 62,508,702/x
  3. Step 3: Cross multiply
    28,419,999x = 62,508,702 × 62,508,702
  4. Step 4: Simplify right side
    28,419,999x = 3,907,337,825,724,804
  5. Step 5: Solve for x
    x = 3,907,337,825,724,804/28,419,999
  6. Step 6: Final answer
    x = 137,485,501.87

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.