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Finding the Third Proportional to 5,599 and 10,403

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Solution

The third proportional to 5,599 and 10,403 is: 19,328.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,599 : 10,403 = 10,403 : x
  2. Step 2: Convert to fraction form
    5,599/10,403 = 10,403/x
  3. Step 3: Cross multiply
    5,599x = 10,403 × 10,403
  4. Step 4: Simplify right side
    5,599x = 108,222,409
  5. Step 5: Solve for x
    x = 108,222,409/5,599
  6. Step 6: Final answer
    x = 19,328.88

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.