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Finding the Third Proportional to 127,354 and 276,822

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Solution

The third proportional to 127,354 and 276,822 is: 601,711.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,354 : 276,822 = 276,822 : x
  2. Step 2: Convert to fraction form
    127,354/276,822 = 276,822/x
  3. Step 3: Cross multiply
    127,354x = 276,822 × 276,822
  4. Step 4: Simplify right side
    127,354x = 76,630,419,684
  5. Step 5: Solve for x
    x = 76,630,419,684/127,354
  6. Step 6: Final answer
    x = 601,711.92

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.