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Finding the Third Proportional to 121,672.13 and 266,250.38

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Solution

The third proportional to 121,672.13 and 266,250.38 is: 582,625.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,672.13 : 266,250.38 = 266,250.38 : x
  2. Step 2: Convert to fraction form
    121,672.13/266,250.38 = 266,250.38/x
  3. Step 3: Cross multiply
    121,672.13x = 266,250.38 × 266,250.38
  4. Step 4: Simplify right side
    121,672.13x = 70,889,262,187.64
  5. Step 5: Solve for x
    x = 70,889,262,187.64/121,672.13
  6. Step 6: Final answer
    x = 582,625.33

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.