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Finding the Third Proportional to 61,420.50 and 133,958.25

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Solution

The third proportional to 61,420.50 and 133,958.25 is: 292,163.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,420.50 : 133,958.25 = 133,958.25 : x
  2. Step 2: Convert to fraction form
    61,420.50/133,958.25 = 133,958.25/x
  3. Step 3: Cross multiply
    61,420.50x = 133,958.25 × 133,958.25
  4. Step 4: Simplify right side
    61,420.50x = 17,944,812,743.06
  5. Step 5: Solve for x
    x = 17,944,812,743.06/61,420.50
  6. Step 6: Final answer
    x = 292,163.25

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.