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Finding the Third Proportional to 66,156.75 and 99,850.22

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Solution

The third proportional to 66,156.75 and 99,850.22 is: 150,703.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,156.75 : 99,850.22 = 99,850.22 : x
  2. Step 2: Convert to fraction form
    66,156.75/99,850.22 = 99,850.22/x
  3. Step 3: Cross multiply
    66,156.75x = 99,850.22 × 99,850.22
  4. Step 4: Simplify right side
    66,156.75x = 9,970,066,184.42
  5. Step 5: Solve for x
    x = 9,970,066,184.42/66,156.75
  6. Step 6: Final answer
    x = 150,703.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.