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Finding the Third Proportional to 134,428.38 and 206,342.25

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Solution

The third proportional to 134,428.38 and 206,342.25 is: 316,727.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,428.38 : 206,342.25 = 206,342.25 : x
  2. Step 2: Convert to fraction form
    134,428.38/206,342.25 = 206,342.25/x
  3. Step 3: Cross multiply
    134,428.38x = 206,342.25 × 206,342.25
  4. Step 4: Simplify right side
    134,428.38x = 42,577,124,135.06
  5. Step 5: Solve for x
    x = 42,577,124,135.06/134,428.38
  6. Step 6: Final answer
    x = 316,727.21

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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.