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Finding the Third Proportional to 129,063.75 and 195,541.13

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Solution

The third proportional to 129,063.75 and 195,541.13 is: 296,259.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,063.75 : 195,541.13 = 195,541.13 : x
  2. Step 2: Convert to fraction form
    129,063.75/195,541.13 = 195,541.13/x
  3. Step 3: Cross multiply
    129,063.75x = 195,541.13 × 195,541.13
  4. Step 4: Simplify right side
    129,063.75x = 38,236,331,566.27
  5. Step 5: Solve for x
    x = 38,236,331,566.27/129,063.75
  6. Step 6: Final answer
    x = 296,259.26

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.