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Finding the Third Proportional to 176,285.25 and 257,043.38

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Solution

The third proportional to 176,285.25 and 257,043.38 is: 374,797.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,285.25 : 257,043.38 = 257,043.38 : x
  2. Step 2: Convert to fraction form
    176,285.25/257,043.38 = 257,043.38/x
  3. Step 3: Cross multiply
    176,285.25x = 257,043.38 × 257,043.38
  4. Step 4: Simplify right side
    176,285.25x = 66,071,296,631.39
  5. Step 5: Solve for x
    x = 66,071,296,631.39/176,285.25
  6. Step 6: Final answer
    x = 374,797.65

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.