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Finding the Third Proportional to 17,889 and 26,313

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Solution

The third proportional to 17,889 and 26,313 is: 38,703.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,889 : 26,313 = 26,313 : x
  2. Step 2: Convert to fraction form
    17,889/26,313 = 26,313/x
  3. Step 3: Cross multiply
    17,889x = 26,313 × 26,313
  4. Step 4: Simplify right side
    17,889x = 692,373,969
  5. Step 5: Solve for x
    x = 692,373,969/17,889
  6. Step 6: Final answer
    x = 38,703.89

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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.