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Finding the Third Proportional to 60,918 and 92,148

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Solution

The third proportional to 60,918 and 92,148 is: 139,388.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,918 : 92,148 = 92,148 : x
  2. Step 2: Convert to fraction form
    60,918/92,148 = 92,148/x
  3. Step 3: Cross multiply
    60,918x = 92,148 × 92,148
  4. Step 4: Simplify right side
    60,918x = 8,491,253,904
  5. Step 5: Solve for x
    x = 8,491,253,904/60,918
  6. Step 6: Final answer
    x = 139,388.26

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.