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Finding the Third Proportional to 709.50 and 937

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Solution

The third proportional to 709.50 and 937 is: 1,237.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    709.50 : 937 = 937 : x
  2. Step 2: Convert to fraction form
    709.50/937 = 937/x
  3. Step 3: Cross multiply
    709.50x = 937 × 937
  4. Step 4: Simplify right side
    709.50x = 877,969
  5. Step 5: Solve for x
    x = 877,969/709.50
  6. Step 6: Final answer
    x = 1,237.45

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.