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Finding the Third Proportional to 192,320.81 and 418,506.38

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Solution

The third proportional to 192,320.81 and 418,506.38 is: 910,705.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,320.81 : 418,506.38 = 418,506.38 : x
  2. Step 2: Convert to fraction form
    192,320.81/418,506.38 = 418,506.38/x
  3. Step 3: Cross multiply
    192,320.81x = 418,506.38 × 418,506.38
  4. Step 4: Simplify right side
    192,320.81x = 175,147,585,915.64
  5. Step 5: Solve for x
    x = 175,147,585,915.64/192,320.81
  6. Step 6: Final answer
    x = 910,705.31

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.