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Finding the Third Proportional to 814.50 and 1,262.63

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Solution

The third proportional to 814.50 and 1,262.63 is: 1,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    814.50 : 1,262.63 = 1,262.63 : x
  2. Step 2: Convert to fraction form
    814.50/1,262.63 = 1,262.63/x
  3. Step 3: Cross multiply
    814.50x = 1,262.63 × 1,262.63
  4. Step 4: Simplify right side
    814.50x = 1,594,221.89
  5. Step 5: Solve for x
    x = 1,594,221.89/814.50
  6. Step 6: Final answer
    x = 1,957.30

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.