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Finding the Third Proportional to 130,135.50 and 195,286.50

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Solution

The third proportional to 130,135.50 and 195,286.50 is: 293,054.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,135.50 : 195,286.50 = 195,286.50 : x
  2. Step 2: Convert to fraction form
    130,135.50/195,286.50 = 195,286.50/x
  3. Step 3: Cross multiply
    130,135.50x = 195,286.50 × 195,286.50
  4. Step 4: Simplify right side
    130,135.50x = 38,136,817,082.25
  5. Step 5: Solve for x
    x = 38,136,817,082.25/130,135.50
  6. Step 6: Final answer
    x = 293,054.68

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Why These Related Problems?

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