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Finding the Third Proportional to 18,178 and 26,666

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Solution

The third proportional to 18,178 and 26,666 is: 39,117.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,178 : 26,666 = 26,666 : x
  2. Step 2: Convert to fraction form
    18,178/26,666 = 26,666/x
  3. Step 3: Cross multiply
    18,178x = 26,666 × 26,666
  4. Step 4: Simplify right side
    18,178x = 711,075,556
  5. Step 5: Solve for x
    x = 711,075,556/18,178
  6. Step 6: Final answer
    x = 39,117.37

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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.