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Finding the Third Proportional to 179,295.75 and 390,136.50

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Solution

The third proportional to 179,295.75 and 390,136.50 is: 848,912.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,295.75 : 390,136.50 = 390,136.50 : x
  2. Step 2: Convert to fraction form
    179,295.75/390,136.50 = 390,136.50/x
  3. Step 3: Cross multiply
    179,295.75x = 390,136.50 × 390,136.50
  4. Step 4: Simplify right side
    179,295.75x = 152,206,488,632.25
  5. Step 5: Solve for x
    x = 152,206,488,632.25/179,295.75
  6. Step 6: Final answer
    x = 848,912.98

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.