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Finding the Third Proportional to 328,423.50 and 494,095.50

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Solution

The third proportional to 328,423.50 and 494,095.50 is: 743,340.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,423.50 : 494,095.50 = 494,095.50 : x
  2. Step 2: Convert to fraction form
    328,423.50/494,095.50 = 494,095.50/x
  3. Step 3: Cross multiply
    328,423.50x = 494,095.50 × 494,095.50
  4. Step 4: Simplify right side
    328,423.50x = 244,130,363,120.25
  5. Step 5: Solve for x
    x = 244,130,363,120.25/328,423.50
  6. Step 6: Final answer
    x = 743,340.12

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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.