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Finding the Third Proportional to 114,428.25 and 239,313

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Solution

The third proportional to 114,428.25 and 239,313 is: 500,494.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,428.25 : 239,313 = 239,313 : x
  2. Step 2: Convert to fraction form
    114,428.25/239,313 = 239,313/x
  3. Step 3: Cross multiply
    114,428.25x = 239,313 × 239,313
  4. Step 4: Simplify right side
    114,428.25x = 57,270,711,969
  5. Step 5: Solve for x
    x = 57,270,711,969/114,428.25
  6. Step 6: Final answer
    x = 500,494.52

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.