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Finding the Third Proportional to 118,428.19 and 182,034.56

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Solution

The third proportional to 118,428.19 and 182,034.56 is: 279,803.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,428.19 : 182,034.56 = 182,034.56 : x
  2. Step 2: Convert to fraction form
    118,428.19/182,034.56 = 182,034.56/x
  3. Step 3: Cross multiply
    118,428.19x = 182,034.56 × 182,034.56
  4. Step 4: Simplify right side
    118,428.19x = 33,136,581,944.57
  5. Step 5: Solve for x
    x = 33,136,581,944.57/118,428.19
  6. Step 6: Final answer
    x = 279,803.17

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.