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Finding the Third Proportional to 206,590.50 and 305,948.25

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Solution

The third proportional to 206,590.50 and 305,948.25 is: 453,091.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,590.50 : 305,948.25 = 305,948.25 : x
  2. Step 2: Convert to fraction form
    206,590.50/305,948.25 = 305,948.25/x
  3. Step 3: Cross multiply
    206,590.50x = 305,948.25 × 305,948.25
  4. Step 4: Simplify right side
    206,590.50x = 93,604,331,678.06
  5. Step 5: Solve for x
    x = 93,604,331,678.06/206,590.50
  6. Step 6: Final answer
    x = 453,091.17

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.