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Finding the Third Proportional to 133,030 and 195,655

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Solution

The third proportional to 133,030 and 195,655 is: 287,761.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,030 : 195,655 = 195,655 : x
  2. Step 2: Convert to fraction form
    133,030/195,655 = 195,655/x
  3. Step 3: Cross multiply
    133,030x = 195,655 × 195,655
  4. Step 4: Simplify right side
    133,030x = 38,280,879,025
  5. Step 5: Solve for x
    x = 38,280,879,025/133,030
  6. Step 6: Final answer
    x = 287,761.25

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.