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Finding the Third Proportional to 57,088 and 81,148

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Solution

The third proportional to 57,088 and 81,148 is: 115,348.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,088 : 81,148 = 81,148 : x
  2. Step 2: Convert to fraction form
    57,088/81,148 = 81,148/x
  3. Step 3: Cross multiply
    57,088x = 81,148 × 81,148
  4. Step 4: Simplify right side
    57,088x = 6,584,997,904
  5. Step 5: Solve for x
    x = 6,584,997,904/57,088
  6. Step 6: Final answer
    x = 115,348.20

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.