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Finding the Third Proportional to 54,418,907 and 118,403,385

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Solution

The third proportional to 54,418,907 and 118,403,385 is: 257,619,315.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,418,907 : 118,403,385 = 118,403,385 : x
  2. Step 2: Convert to fraction form
    54,418,907/118,403,385 = 118,403,385/x
  3. Step 3: Cross multiply
    54,418,907x = 118,403,385 × 118,403,385
  4. Step 4: Simplify right side
    54,418,907x = 14,019,361,579,458,224
  5. Step 5: Solve for x
    x = 14,019,361,579,458,224/54,418,907
  6. Step 6: Final answer
    x = 257,619,315.64

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.