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Finding the Third Proportional to 377,360 and 512,760

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Solution

The third proportional to 377,360 and 512,760 is: 696,742.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,360 : 512,760 = 512,760 : x
  2. Step 2: Convert to fraction form
    377,360/512,760 = 512,760/x
  3. Step 3: Cross multiply
    377,360x = 512,760 × 512,760
  4. Step 4: Simplify right side
    377,360x = 262,922,817,600
  5. Step 5: Solve for x
    x = 262,922,817,600/377,360
  6. Step 6: Final answer
    x = 696,742.68

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.