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Finding the Third Proportional to 283,160 and 428,367

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Solution

The third proportional to 283,160 and 428,367 is: 648,037.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,160 : 428,367 = 428,367 : x
  2. Step 2: Convert to fraction form
    283,160/428,367 = 428,367/x
  3. Step 3: Cross multiply
    283,160x = 428,367 × 428,367
  4. Step 4: Simplify right side
    283,160x = 183,498,286,689
  5. Step 5: Solve for x
    x = 183,498,286,689/283,160
  6. Step 6: Final answer
    x = 648,037.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.