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Finding the Third Proportional to 332,315.50 and 487,369.50

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Solution

The third proportional to 332,315.50 and 487,369.50 is: 714,769.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,315.50 : 487,369.50 = 487,369.50 : x
  2. Step 2: Convert to fraction form
    332,315.50/487,369.50 = 487,369.50/x
  3. Step 3: Cross multiply
    332,315.50x = 487,369.50 × 487,369.50
  4. Step 4: Simplify right side
    332,315.50x = 237,529,029,530.25
  5. Step 5: Solve for x
    x = 237,529,029,530.25/332,315.50
  6. Step 6: Final answer
    x = 714,769.64

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.