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Finding the Third Proportional to 130,639 and 195,450

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Solution

The third proportional to 130,639 and 195,450 is: 292,414.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,639 : 195,450 = 195,450 : x
  2. Step 2: Convert to fraction form
    130,639/195,450 = 195,450/x
  3. Step 3: Cross multiply
    130,639x = 195,450 × 195,450
  4. Step 4: Simplify right side
    130,639x = 38,200,702,500
  5. Step 5: Solve for x
    x = 38,200,702,500/130,639
  6. Step 6: Final answer
    x = 292,414.23

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.