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Finding the Third Proportional to 75,434 and 157,066

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Solution

The third proportional to 75,434 and 157,066 is: 327,037.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,434 : 157,066 = 157,066 : x
  2. Step 2: Convert to fraction form
    75,434/157,066 = 157,066/x
  3. Step 3: Cross multiply
    75,434x = 157,066 × 157,066
  4. Step 4: Simplify right side
    75,434x = 24,669,728,356
  5. Step 5: Solve for x
    x = 24,669,728,356/75,434
  6. Step 6: Final answer
    x = 327,037.26

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.