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Finding the Third Proportional to 112,089.75 and 168,555.75

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Solution

The third proportional to 112,089.75 and 168,555.75 is: 253,466.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,089.75 : 168,555.75 = 168,555.75 : x
  2. Step 2: Convert to fraction form
    112,089.75/168,555.75 = 168,555.75/x
  3. Step 3: Cross multiply
    112,089.75x = 168,555.75 × 168,555.75
  4. Step 4: Simplify right side
    112,089.75x = 28,411,040,858.06
  5. Step 5: Solve for x
    x = 28,411,040,858.06/112,089.75
  6. Step 6: Final answer
    x = 253,466.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.