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Finding the Third Proportional to 126,140 and 195,330

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Solution

The third proportional to 126,140 and 195,330 is: 302,471.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,140 : 195,330 = 195,330 : x
  2. Step 2: Convert to fraction form
    126,140/195,330 = 195,330/x
  3. Step 3: Cross multiply
    126,140x = 195,330 × 195,330
  4. Step 4: Simplify right side
    126,140x = 38,153,808,900
  5. Step 5: Solve for x
    x = 38,153,808,900/126,140
  6. Step 6: Final answer
    x = 302,471.93

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.