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Finding the Third Proportional to 112,889.25 and 245,211.75

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Solution

The third proportional to 112,889.25 and 245,211.75 is: 532,635.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,889.25 : 245,211.75 = 245,211.75 : x
  2. Step 2: Convert to fraction form
    112,889.25/245,211.75 = 245,211.75/x
  3. Step 3: Cross multiply
    112,889.25x = 245,211.75 × 245,211.75
  4. Step 4: Simplify right side
    112,889.25x = 60,128,802,338.06
  5. Step 5: Solve for x
    x = 60,128,802,338.06/112,889.25
  6. Step 6: Final answer
    x = 532,635.32

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.