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Finding the Third Proportional to 86,064 and 126,270

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Solution

The third proportional to 86,064 and 126,270 is: 185,258.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,064 : 126,270 = 126,270 : x
  2. Step 2: Convert to fraction form
    86,064/126,270 = 126,270/x
  3. Step 3: Cross multiply
    86,064x = 126,270 × 126,270
  4. Step 4: Simplify right side
    86,064x = 15,944,112,900
  5. Step 5: Solve for x
    x = 15,944,112,900/86,064
  6. Step 6: Final answer
    x = 185,258.79

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.