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Finding the Third Proportional to 133,705 and 293,655

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Solution

The third proportional to 133,705 and 293,655 is: 644,951.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,705 : 293,655 = 293,655 : x
  2. Step 2: Convert to fraction form
    133,705/293,655 = 293,655/x
  3. Step 3: Cross multiply
    133,705x = 293,655 × 293,655
  4. Step 4: Simplify right side
    133,705x = 86,233,259,025
  5. Step 5: Solve for x
    x = 86,233,259,025/133,705
  6. Step 6: Final answer
    x = 644,951.64

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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.