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Finding the Third Proportional to 125,939.25 and 342,186.75

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Solution

The third proportional to 125,939.25 and 342,186.75 is: 929,748.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,939.25 : 342,186.75 = 342,186.75 : x
  2. Step 2: Convert to fraction form
    125,939.25/342,186.75 = 342,186.75/x
  3. Step 3: Cross multiply
    125,939.25x = 342,186.75 × 342,186.75
  4. Step 4: Simplify right side
    125,939.25x = 117,091,771,875.56
  5. Step 5: Solve for x
    x = 117,091,771,875.56/125,939.25
  6. Step 6: Final answer
    x = 929,748.05

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Why These Related Problems?

These problems maintain the same ratio (2.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.