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Finding the Third Proportional to 201,336 and 282,178

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Solution

The third proportional to 201,336 and 282,178 is: 395,480.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,336 : 282,178 = 282,178 : x
  2. Step 2: Convert to fraction form
    201,336/282,178 = 282,178/x
  3. Step 3: Cross multiply
    201,336x = 282,178 × 282,178
  4. Step 4: Simplify right side
    201,336x = 79,624,423,684
  5. Step 5: Solve for x
    x = 79,624,423,684/201,336
  6. Step 6: Final answer
    x = 395,480.31

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.