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Finding the Third Proportional to 52,670 and 81,255

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Solution

The third proportional to 52,670 and 81,255 is: 125,353.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,670 : 81,255 = 81,255 : x
  2. Step 2: Convert to fraction form
    52,670/81,255 = 81,255/x
  3. Step 3: Cross multiply
    52,670x = 81,255 × 81,255
  4. Step 4: Simplify right side
    52,670x = 6,602,375,025
  5. Step 5: Solve for x
    x = 6,602,375,025/52,670
  6. Step 6: Final answer
    x = 125,353.62

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.