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Finding the Third Proportional to 59,792 and 128,170

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Solution

The third proportional to 59,792 and 128,170 is: 274,744.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,792 : 128,170 = 128,170 : x
  2. Step 2: Convert to fraction form
    59,792/128,170 = 128,170/x
  3. Step 3: Cross multiply
    59,792x = 128,170 × 128,170
  4. Step 4: Simplify right side
    59,792x = 16,427,548,900
  5. Step 5: Solve for x
    x = 16,427,548,900/59,792
  6. Step 6: Final answer
    x = 274,744.93

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.