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Finding the Third Proportional to 121,116.94 and 173,370.38

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Solution

The third proportional to 121,116.94 and 173,370.38 is: 248,167.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,116.94 : 173,370.38 = 173,370.38 : x
  2. Step 2: Convert to fraction form
    121,116.94/173,370.38 = 173,370.38/x
  3. Step 3: Cross multiply
    121,116.94x = 173,370.38 × 173,370.38
  4. Step 4: Simplify right side
    121,116.94x = 30,057,286,927.64
  5. Step 5: Solve for x
    x = 30,057,286,927.64/121,116.94
  6. Step 6: Final answer
    x = 248,167.49

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.