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Finding the Third Proportional to 133,730 and 293,700

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Solution

The third proportional to 133,730 and 293,700 is: 645,028.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,730 : 293,700 = 293,700 : x
  2. Step 2: Convert to fraction form
    133,730/293,700 = 293,700/x
  3. Step 3: Cross multiply
    133,730x = 293,700 × 293,700
  4. Step 4: Simplify right side
    133,730x = 86,259,690,000
  5. Step 5: Solve for x
    x = 86,259,690,000/133,730
  6. Step 6: Final answer
    x = 645,028.71

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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.