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Finding the Third Proportional to 1,402.88 and 1,650.38

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Solution

The third proportional to 1,402.88 and 1,650.38 is: 1,941.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402.88 : 1,650.38 = 1,650.38 : x
  2. Step 2: Convert to fraction form
    1,402.88/1,650.38 = 1,650.38/x
  3. Step 3: Cross multiply
    1,402.88x = 1,650.38 × 1,650.38
  4. Step 4: Simplify right side
    1,402.88x = 2,723,737.64
  5. Step 5: Solve for x
    x = 2,723,737.64/1,402.88
  6. Step 6: Final answer
    x = 1,941.54

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These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.