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Finding the Third Proportional to 66,249 and 156,287.25

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Solution

The third proportional to 66,249 and 156,287.25 is: 368,695.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,249 : 156,287.25 = 156,287.25 : x
  2. Step 2: Convert to fraction form
    66,249/156,287.25 = 156,287.25/x
  3. Step 3: Cross multiply
    66,249x = 156,287.25 × 156,287.25
  4. Step 4: Simplify right side
    66,249x = 24,425,704,512.56
  5. Step 5: Solve for x
    x = 24,425,704,512.56/66,249
  6. Step 6: Final answer
    x = 368,695.44

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.