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Finding the Third Proportional to 127,315 and 276,535

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Solution

The third proportional to 127,315 and 276,535 is: 600,648.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,315 : 276,535 = 276,535 : x
  2. Step 2: Convert to fraction form
    127,315/276,535 = 276,535/x
  3. Step 3: Cross multiply
    127,315x = 276,535 × 276,535
  4. Step 4: Simplify right side
    127,315x = 76,471,606,225
  5. Step 5: Solve for x
    x = 76,471,606,225/127,315
  6. Step 6: Final answer
    x = 600,648.83

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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.