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Finding the Third Proportional to 73,878.50 and 144,064.75

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Solution

The third proportional to 73,878.50 and 144,064.75 is: 280,929.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,878.50 : 144,064.75 = 144,064.75 : x
  2. Step 2: Convert to fraction form
    73,878.50/144,064.75 = 144,064.75/x
  3. Step 3: Cross multiply
    73,878.50x = 144,064.75 × 144,064.75
  4. Step 4: Simplify right side
    73,878.50x = 20,754,652,192.56
  5. Step 5: Solve for x
    x = 20,754,652,192.56/73,878.50
  6. Step 6: Final answer
    x = 280,929.53

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.