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Finding the Third Proportional to 25,888,947 and 43,143,069

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Solution

The third proportional to 25,888,947 and 43,143,069 is: 71,896,489.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,888,947 : 43,143,069 = 43,143,069 : x
  2. Step 2: Convert to fraction form
    25,888,947/43,143,069 = 43,143,069/x
  3. Step 3: Cross multiply
    25,888,947x = 43,143,069 × 43,143,069
  4. Step 4: Simplify right side
    25,888,947x = 1,861,324,402,738,761
  5. Step 5: Solve for x
    x = 1,861,324,402,738,761/25,888,947
  6. Step 6: Final answer
    x = 71,896,489.37

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.