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Finding the Third Proportional to 131,713.13 and 188,215.25

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Solution

The third proportional to 131,713.13 and 188,215.25 is: 268,955.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,713.13 : 188,215.25 = 188,215.25 : x
  2. Step 2: Convert to fraction form
    131,713.13/188,215.25 = 188,215.25/x
  3. Step 3: Cross multiply
    131,713.13x = 188,215.25 × 188,215.25
  4. Step 4: Simplify right side
    131,713.13x = 35,424,980,332.56
  5. Step 5: Solve for x
    x = 35,424,980,332.56/131,713.13
  6. Step 6: Final answer
    x = 268,955.58

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.