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Finding the Third Proportional to 347,505.75 and 711,942.75

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Solution

The third proportional to 347,505.75 and 711,942.75 is: 1,458,572.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,505.75 : 711,942.75 = 711,942.75 : x
  2. Step 2: Convert to fraction form
    347,505.75/711,942.75 = 711,942.75/x
  3. Step 3: Cross multiply
    347,505.75x = 711,942.75 × 711,942.75
  4. Step 4: Simplify right side
    347,505.75x = 506,862,479,277.56
  5. Step 5: Solve for x
    x = 506,862,479,277.56/347,505.75
  6. Step 6: Final answer
    x = 1,458,572.93

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.