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Finding the Third Proportional to 132,378 and 202,030

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Solution

The third proportional to 132,378 and 202,030 is: 308,330.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,378 : 202,030 = 202,030 : x
  2. Step 2: Convert to fraction form
    132,378/202,030 = 202,030/x
  3. Step 3: Cross multiply
    132,378x = 202,030 × 202,030
  4. Step 4: Simplify right side
    132,378x = 40,816,120,900
  5. Step 5: Solve for x
    x = 40,816,120,900/132,378
  6. Step 6: Final answer
    x = 308,330.09

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.