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Finding the Third Proportional to 122,451.75 and 187,326

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Solution

The third proportional to 122,451.75 and 187,326 is: 286,570.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,451.75 : 187,326 = 187,326 : x
  2. Step 2: Convert to fraction form
    122,451.75/187,326 = 187,326/x
  3. Step 3: Cross multiply
    122,451.75x = 187,326 × 187,326
  4. Step 4: Simplify right side
    122,451.75x = 35,091,030,276
  5. Step 5: Solve for x
    x = 35,091,030,276/122,451.75
  6. Step 6: Final answer
    x = 286,570.26

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.