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Finding the Third Proportional to 127,903.50 and 191,855.25

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Solution

The third proportional to 127,903.50 and 191,855.25 is: 287,782.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,903.50 : 191,855.25 = 191,855.25 : x
  2. Step 2: Convert to fraction form
    127,903.50/191,855.25 = 191,855.25/x
  3. Step 3: Cross multiply
    127,903.50x = 191,855.25 × 191,855.25
  4. Step 4: Simplify right side
    127,903.50x = 36,808,436,952.56
  5. Step 5: Solve for x
    x = 36,808,436,952.56/127,903.50
  6. Step 6: Final answer
    x = 287,782.88

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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.