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Finding the Third Proportional to 206,429.06 and 341,644.50

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Solution

The third proportional to 206,429.06 and 341,644.50 is: 565,428.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,429.06 : 341,644.50 = 341,644.50 : x
  2. Step 2: Convert to fraction form
    206,429.06/341,644.50 = 341,644.50/x
  3. Step 3: Cross multiply
    206,429.06x = 341,644.50 × 341,644.50
  4. Step 4: Simplify right side
    206,429.06x = 116,720,964,380.25
  5. Step 5: Solve for x
    x = 116,720,964,380.25/206,429.06
  6. Step 6: Final answer
    x = 565,428.93

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.