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Finding the Third Proportional to 88,421.63 and 190,914.75

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Solution

The third proportional to 88,421.63 and 190,914.75 is: 412,211.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,421.63 : 190,914.75 = 190,914.75 : x
  2. Step 2: Convert to fraction form
    88,421.63/190,914.75 = 190,914.75/x
  3. Step 3: Cross multiply
    88,421.63x = 190,914.75 × 190,914.75
  4. Step 4: Simplify right side
    88,421.63x = 36,448,441,767.56
  5. Step 5: Solve for x
    x = 36,448,441,767.56/88,421.63
  6. Step 6: Final answer
    x = 412,211.85

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.