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Finding the Third Proportional to 80,713.50 and 170,653.50

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Solution

The third proportional to 80,713.50 and 170,653.50 is: 360,814.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,713.50 : 170,653.50 = 170,653.50 : x
  2. Step 2: Convert to fraction form
    80,713.50/170,653.50 = 170,653.50/x
  3. Step 3: Cross multiply
    80,713.50x = 170,653.50 × 170,653.50
  4. Step 4: Simplify right side
    80,713.50x = 29,122,617,062.25
  5. Step 5: Solve for x
    x = 29,122,617,062.25/80,713.50
  6. Step 6: Final answer
    x = 360,814.70

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.