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Finding the Third Proportional to 67,108.50 and 144,726.75

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Solution

The third proportional to 67,108.50 and 144,726.75 is: 312,118.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,108.50 : 144,726.75 = 144,726.75 : x
  2. Step 2: Convert to fraction form
    67,108.50/144,726.75 = 144,726.75/x
  3. Step 3: Cross multiply
    67,108.50x = 144,726.75 × 144,726.75
  4. Step 4: Simplify right side
    67,108.50x = 20,945,832,165.56
  5. Step 5: Solve for x
    x = 20,945,832,165.56/67,108.50
  6. Step 6: Final answer
    x = 312,118.91

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.