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Finding the Third Proportional to 17,983 and 39,535

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Solution

The third proportional to 17,983 and 39,535 is: 86,916.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,983 : 39,535 = 39,535 : x
  2. Step 2: Convert to fraction form
    17,983/39,535 = 39,535/x
  3. Step 3: Cross multiply
    17,983x = 39,535 × 39,535
  4. Step 4: Simplify right side
    17,983x = 1,563,016,225
  5. Step 5: Solve for x
    x = 1,563,016,225/17,983
  6. Step 6: Final answer
    x = 86,916.32

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.