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Finding the Third Proportional to 393,125.50 and 589,072

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Solution

The third proportional to 393,125.50 and 589,072 is: 882,684.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,125.50 : 589,072 = 589,072 : x
  2. Step 2: Convert to fraction form
    393,125.50/589,072 = 589,072/x
  3. Step 3: Cross multiply
    393,125.50x = 589,072 × 589,072
  4. Step 4: Simplify right side
    393,125.50x = 347,005,821,184
  5. Step 5: Solve for x
    x = 347,005,821,184/393,125.50
  6. Step 6: Final answer
    x = 882,684.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.