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Finding the Third Proportional to 904.13 and 998.63

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Solution

The third proportional to 904.13 and 998.63 is: 1,103.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    904.13 : 998.63 = 998.63 : x
  2. Step 2: Convert to fraction form
    904.13/998.63 = 998.63/x
  3. Step 3: Cross multiply
    904.13x = 998.63 × 998.63
  4. Step 4: Simplify right side
    904.13x = 997,251.89
  5. Step 5: Solve for x
    x = 997,251.89/904.13
  6. Step 6: Final answer
    x = 1,103.00

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.