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Finding the Third Proportional to 54,669.75 and 118,407

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Solution

The third proportional to 54,669.75 and 118,407 is: 256,452.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,669.75 : 118,407 = 118,407 : x
  2. Step 2: Convert to fraction form
    54,669.75/118,407 = 118,407/x
  3. Step 3: Cross multiply
    54,669.75x = 118,407 × 118,407
  4. Step 4: Simplify right side
    54,669.75x = 14,020,217,649
  5. Step 5: Solve for x
    x = 14,020,217,649/54,669.75
  6. Step 6: Final answer
    x = 256,452.93

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.