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Finding the Third Proportional to 126,666 and 178,152.75

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Solution

The third proportional to 126,666 and 178,152.75 is: 250,567.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,666 : 178,152.75 = 178,152.75 : x
  2. Step 2: Convert to fraction form
    126,666/178,152.75 = 178,152.75/x
  3. Step 3: Cross multiply
    126,666x = 178,152.75 × 178,152.75
  4. Step 4: Simplify right side
    126,666x = 31,738,402,332.56
  5. Step 5: Solve for x
    x = 31,738,402,332.56/126,666
  6. Step 6: Final answer
    x = 250,567.65

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.