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Finding the Third Proportional to 84,750.75 and 131,308.88

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Solution

The third proportional to 84,750.75 and 131,308.88 is: 203,443.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,750.75 : 131,308.88 = 131,308.88 : x
  2. Step 2: Convert to fraction form
    84,750.75/131,308.88 = 131,308.88/x
  3. Step 3: Cross multiply
    84,750.75x = 131,308.88 × 131,308.88
  4. Step 4: Simplify right side
    84,750.75x = 17,242,020,653.77
  5. Step 5: Solve for x
    x = 17,242,020,653.77/84,750.75
  6. Step 6: Final answer
    x = 203,443.87

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.