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Finding the Third Proportional to 154,623.50 and 335,486

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Solution

The third proportional to 154,623.50 and 335,486 is: 727,902.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,623.50 : 335,486 = 335,486 : x
  2. Step 2: Convert to fraction form
    154,623.50/335,486 = 335,486/x
  3. Step 3: Cross multiply
    154,623.50x = 335,486 × 335,486
  4. Step 4: Simplify right side
    154,623.50x = 112,550,856,196
  5. Step 5: Solve for x
    x = 112,550,856,196/154,623.50
  6. Step 6: Final answer
    x = 727,902.66

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.