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Finding the Third Proportional to 201,560 and 439,960

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Solution

The third proportional to 201,560 and 439,960 is: 960,333.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,560 : 439,960 = 439,960 : x
  2. Step 2: Convert to fraction form
    201,560/439,960 = 439,960/x
  3. Step 3: Cross multiply
    201,560x = 439,960 × 439,960
  4. Step 4: Simplify right side
    201,560x = 193,564,801,600
  5. Step 5: Solve for x
    x = 193,564,801,600/201,560
  6. Step 6: Final answer
    x = 960,333.41

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.