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Finding the Third Proportional to 238,286.81 and 371,497.50

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Solution

The third proportional to 238,286.81 and 371,497.50 is: 579,177.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,286.81 : 371,497.50 = 371,497.50 : x
  2. Step 2: Convert to fraction form
    238,286.81/371,497.50 = 371,497.50/x
  3. Step 3: Cross multiply
    238,286.81x = 371,497.50 × 371,497.50
  4. Step 4: Simplify right side
    238,286.81x = 138,010,392,506.25
  5. Step 5: Solve for x
    x = 138,010,392,506.25/238,286.81
  6. Step 6: Final answer
    x = 579,177.63

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.