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Finding the Third Proportional to 127,208 and 186,920

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Solution

The third proportional to 127,208 and 186,920 is: 274,661.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,208 : 186,920 = 186,920 : x
  2. Step 2: Convert to fraction form
    127,208/186,920 = 186,920/x
  3. Step 3: Cross multiply
    127,208x = 186,920 × 186,920
  4. Step 4: Simplify right side
    127,208x = 34,939,086,400
  5. Step 5: Solve for x
    x = 34,939,086,400/127,208
  6. Step 6: Final answer
    x = 274,661.08

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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.