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Finding the Third Proportional to 18,140 and 26,588

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Solution

The third proportional to 18,140 and 26,588 is: 38,970.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140 : 26,588 = 26,588 : x
  2. Step 2: Convert to fraction form
    18,140/26,588 = 26,588/x
  3. Step 3: Cross multiply
    18,140x = 26,588 × 26,588
  4. Step 4: Simplify right side
    18,140x = 706,921,744
  5. Step 5: Solve for x
    x = 706,921,744/18,140
  6. Step 6: Final answer
    x = 38,970.33

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.