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Finding the Third Proportional to 133,830 and 201,879

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Solution

The third proportional to 133,830 and 201,879 is: 304,529.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,830 : 201,879 = 201,879 : x
  2. Step 2: Convert to fraction form
    133,830/201,879 = 201,879/x
  3. Step 3: Cross multiply
    133,830x = 201,879 × 201,879
  4. Step 4: Simplify right side
    133,830x = 40,755,130,641
  5. Step 5: Solve for x
    x = 40,755,130,641/133,830
  6. Step 6: Final answer
    x = 304,529.11

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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.