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Finding the Third Proportional to 5,355,517 and 11,772,458

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Solution

The third proportional to 5,355,517 and 11,772,458 is: 25,878,130.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355,517 : 11,772,458 = 11,772,458 : x
  2. Step 2: Convert to fraction form
    5,355,517/11,772,458 = 11,772,458/x
  3. Step 3: Cross multiply
    5,355,517x = 11,772,458 × 11,772,458
  4. Step 4: Simplify right side
    5,355,517x = 138,590,767,361,764
  5. Step 5: Solve for x
    x = 138,590,767,361,764/5,355,517
  6. Step 6: Final answer
    x = 25,878,130.41

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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.