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Finding the Third Proportional to 133,840 and 195,730

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Solution

The third proportional to 133,840 and 195,730 is: 286,239.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,840 : 195,730 = 195,730 : x
  2. Step 2: Convert to fraction form
    133,840/195,730 = 195,730/x
  3. Step 3: Cross multiply
    133,840x = 195,730 × 195,730
  4. Step 4: Simplify right side
    133,840x = 38,310,232,900
  5. Step 5: Solve for x
    x = 38,310,232,900/133,840
  6. Step 6: Final answer
    x = 286,239.04

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.