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Finding the Third Proportional to 143,912 and 201,297

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Solution

The third proportional to 143,912 and 201,297 is: 281,564.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,912 : 201,297 = 201,297 : x
  2. Step 2: Convert to fraction form
    143,912/201,297 = 201,297/x
  3. Step 3: Cross multiply
    143,912x = 201,297 × 201,297
  4. Step 4: Simplify right side
    143,912x = 40,520,482,209
  5. Step 5: Solve for x
    x = 40,520,482,209/143,912
  6. Step 6: Final answer
    x = 281,564.30

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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.