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Finding the Third Proportional to 992.88 and 2,168.02

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Solution

The third proportional to 992.88 and 2,168.02 is: 4,733.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    992.88 : 2,168.02 = 2,168.02 : x
  2. Step 2: Convert to fraction form
    992.88/2,168.02 = 2,168.02/x
  3. Step 3: Cross multiply
    992.88x = 2,168.02 × 2,168.02
  4. Step 4: Simplify right side
    992.88x = 4,700,291.75
  5. Step 5: Solve for x
    x = 4,700,291.75/992.88
  6. Step 6: Final answer
    x = 4,733.98

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.