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Finding the Third Proportional to 25,173,947 and 54,221,447

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Solution

The third proportional to 25,173,947 and 54,221,447 is: 116,786,029.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,173,947 : 54,221,447 = 54,221,447 : x
  2. Step 2: Convert to fraction form
    25,173,947/54,221,447 = 54,221,447/x
  3. Step 3: Cross multiply
    25,173,947x = 54,221,447 × 54,221,447
  4. Step 4: Simplify right side
    25,173,947x = 2,939,965,314,773,809
  5. Step 5: Solve for x
    x = 2,939,965,314,773,809/25,173,947
  6. Step 6: Final answer
    x = 116,786,029.41

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.