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Finding the Third Proportional to 17,320 and 27,130

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Solution

The third proportional to 17,320 and 27,130 is: 42,496.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,320 : 27,130 = 27,130 : x
  2. Step 2: Convert to fraction form
    17,320/27,130 = 27,130/x
  3. Step 3: Cross multiply
    17,320x = 27,130 × 27,130
  4. Step 4: Simplify right side
    17,320x = 736,036,900
  5. Step 5: Solve for x
    x = 736,036,900/17,320
  6. Step 6: Final answer
    x = 42,496.36

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.