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Finding the Third Proportional to 85,389.75 and 127,392.75

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Solution

The third proportional to 85,389.75 and 127,392.75 is: 190,056.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,389.75 : 127,392.75 = 127,392.75 : x
  2. Step 2: Convert to fraction form
    85,389.75/127,392.75 = 127,392.75/x
  3. Step 3: Cross multiply
    85,389.75x = 127,392.75 × 127,392.75
  4. Step 4: Simplify right side
    85,389.75x = 16,228,912,752.56
  5. Step 5: Solve for x
    x = 16,228,912,752.56/85,389.75
  6. Step 6: Final answer
    x = 190,056.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.