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Finding the Third Proportional to 127,110 and 186,720

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Solution

The third proportional to 127,110 and 186,720 is: 274,284.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,110 : 186,720 = 186,720 : x
  2. Step 2: Convert to fraction form
    127,110/186,720 = 186,720/x
  3. Step 3: Cross multiply
    127,110x = 186,720 × 186,720
  4. Step 4: Simplify right side
    127,110x = 34,864,358,400
  5. Step 5: Solve for x
    x = 34,864,358,400/127,110
  6. Step 6: Final answer
    x = 274,284.94

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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.