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Finding the Third Proportional to 25,888,931 and 43,143,045

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Solution

The third proportional to 25,888,931 and 43,143,045 is: 71,896,453.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,888,931 : 43,143,045 = 43,143,045 : x
  2. Step 2: Convert to fraction form
    25,888,931/43,143,045 = 43,143,045/x
  3. Step 3: Cross multiply
    25,888,931x = 43,143,045 × 43,143,045
  4. Step 4: Simplify right side
    25,888,931x = 1,861,322,331,872,025
  5. Step 5: Solve for x
    x = 1,861,322,331,872,025/25,888,931
  6. Step 6: Final answer
    x = 71,896,453.81

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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.