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Finding the Third Proportional to 327 and 710.50

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Solution

The third proportional to 327 and 710.50 is: 1,543.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    327 : 710.50 = 710.50 : x
  2. Step 2: Convert to fraction form
    327/710.50 = 710.50/x
  3. Step 3: Cross multiply
    327x = 710.50 × 710.50
  4. Step 4: Simplify right side
    327x = 504,810.25
  5. Step 5: Solve for x
    x = 504,810.25/327
  6. Step 6: Final answer
    x = 1,543.76

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.