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Finding the Third Proportional to 653.25 and 943.88

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Solution

The third proportional to 653.25 and 943.88 is: 1,363.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    653.25 : 943.88 = 943.88 : x
  2. Step 2: Convert to fraction form
    653.25/943.88 = 943.88/x
  3. Step 3: Cross multiply
    653.25x = 943.88 × 943.88
  4. Step 4: Simplify right side
    653.25x = 890,900.02
  5. Step 5: Solve for x
    x = 890,900.02/653.25
  6. Step 6: Final answer
    x = 1,363.80

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.