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Finding the Third Proportional to 17,501 and 38,403

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Solution

The third proportional to 17,501 and 38,403 is: 84,268.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,501 : 38,403 = 38,403 : x
  2. Step 2: Convert to fraction form
    17,501/38,403 = 38,403/x
  3. Step 3: Cross multiply
    17,501x = 38,403 × 38,403
  4. Step 4: Simplify right side
    17,501x = 1,474,790,409
  5. Step 5: Solve for x
    x = 1,474,790,409/17,501
  6. Step 6: Final answer
    x = 84,268.92

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.