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Finding the Third Proportional to 171,461.75 and 254,708.75

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Solution

The third proportional to 171,461.75 and 254,708.75 is: 378,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,461.75 : 254,708.75 = 254,708.75 : x
  2. Step 2: Convert to fraction form
    171,461.75/254,708.75 = 254,708.75/x
  3. Step 3: Cross multiply
    171,461.75x = 254,708.75 × 254,708.75
  4. Step 4: Simplify right side
    171,461.75x = 64,876,547,326.56
  5. Step 5: Solve for x
    x = 64,876,547,326.56/171,461.75
  6. Step 6: Final answer
    x = 378,373.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.