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Finding the Third Proportional to 319,144.50 and 472,554.75

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Solution

The third proportional to 319,144.50 and 472,554.75 is: 699,708.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,144.50 : 472,554.75 = 472,554.75 : x
  2. Step 2: Convert to fraction form
    319,144.50/472,554.75 = 472,554.75/x
  3. Step 3: Cross multiply
    319,144.50x = 472,554.75 × 472,554.75
  4. Step 4: Simplify right side
    319,144.50x = 223,307,991,747.56
  5. Step 5: Solve for x
    x = 223,307,991,747.56/319,144.50
  6. Step 6: Final answer
    x = 699,708.10

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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.