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Finding the Third Proportional to 60,520 and 132,985

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Solution

The third proportional to 60,520 and 132,985 is: 292,217.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,520 : 132,985 = 132,985 : x
  2. Step 2: Convert to fraction form
    60,520/132,985 = 132,985/x
  3. Step 3: Cross multiply
    60,520x = 132,985 × 132,985
  4. Step 4: Simplify right side
    60,520x = 17,685,010,225
  5. Step 5: Solve for x
    x = 17,685,010,225/60,520
  6. Step 6: Final answer
    x = 292,217.62

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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.