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Finding the Third Proportional to 751.50 and 847.88

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Solution

The third proportional to 751.50 and 847.88 is: 956.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    751.50 : 847.88 = 847.88 : x
  2. Step 2: Convert to fraction form
    751.50/847.88 = 847.88/x
  3. Step 3: Cross multiply
    751.50x = 847.88 × 847.88
  4. Step 4: Simplify right side
    751.50x = 718,892.02
  5. Step 5: Solve for x
    x = 718,892.02/751.50
  6. Step 6: Final answer
    x = 956.61

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Why These Related Problems?

These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.