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Finding the Third Proportional to 59,791 and 128,168

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Solution

The third proportional to 59,791 and 128,168 is: 274,740.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,791 : 128,168 = 128,168 : x
  2. Step 2: Convert to fraction form
    59,791/128,168 = 128,168/x
  3. Step 3: Cross multiply
    59,791x = 128,168 × 128,168
  4. Step 4: Simplify right side
    59,791x = 16,427,036,224
  5. Step 5: Solve for x
    x = 16,427,036,224/59,791
  6. Step 6: Final answer
    x = 274,740.95

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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.