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Finding the Third Proportional to 112,425.75 and 239,417.25

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Solution

The third proportional to 112,425.75 and 239,417.25 is: 509,853.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,425.75 : 239,417.25 = 239,417.25 : x
  2. Step 2: Convert to fraction form
    112,425.75/239,417.25 = 239,417.25/x
  3. Step 3: Cross multiply
    112,425.75x = 239,417.25 × 239,417.25
  4. Step 4: Simplify right side
    112,425.75x = 57,320,619,597.56
  5. Step 5: Solve for x
    x = 57,320,619,597.56/112,425.75
  6. Step 6: Final answer
    x = 509,853.12

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.