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Finding the Third Proportional to 135,305 and 293,666

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Solution

The third proportional to 135,305 and 293,666 is: 637,372.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,305 : 293,666 = 293,666 : x
  2. Step 2: Convert to fraction form
    135,305/293,666 = 293,666/x
  3. Step 3: Cross multiply
    135,305x = 293,666 × 293,666
  4. Step 4: Simplify right side
    135,305x = 86,239,719,556
  5. Step 5: Solve for x
    x = 86,239,719,556/135,305
  6. Step 6: Final answer
    x = 637,372.75

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.