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Finding the Third Proportional to 133,458 and 293,166

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Solution

The third proportional to 133,458 and 293,166 is: 643,995.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,458 : 293,166 = 293,166 : x
  2. Step 2: Convert to fraction form
    133,458/293,166 = 293,166/x
  3. Step 3: Cross multiply
    133,458x = 293,166 × 293,166
  4. Step 4: Simplify right side
    133,458x = 85,946,303,556
  5. Step 5: Solve for x
    x = 85,946,303,556/133,458
  6. Step 6: Final answer
    x = 643,995.14

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.