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Finding the Third Proportional to 62,290 and 133,654

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Solution

The third proportional to 62,290 and 133,654 is: 286,777.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,290 : 133,654 = 133,654 : x
  2. Step 2: Convert to fraction form
    62,290/133,654 = 133,654/x
  3. Step 3: Cross multiply
    62,290x = 133,654 × 133,654
  4. Step 4: Simplify right side
    62,290x = 17,863,391,716
  5. Step 5: Solve for x
    x = 17,863,391,716/62,290
  6. Step 6: Final answer
    x = 286,777.84

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.