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Finding the Third Proportional to 84,946.50 and 127,629

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Solution

The third proportional to 84,946.50 and 127,629 is: 191,757.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,946.50 : 127,629 = 127,629 : x
  2. Step 2: Convert to fraction form
    84,946.50/127,629 = 127,629/x
  3. Step 3: Cross multiply
    84,946.50x = 127,629 × 127,629
  4. Step 4: Simplify right side
    84,946.50x = 16,289,161,641
  5. Step 5: Solve for x
    x = 16,289,161,641/84,946.50
  6. Step 6: Final answer
    x = 191,757.89

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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.