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Finding the Third Proportional to 156.75 and 332.06

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Solution

The third proportional to 156.75 and 332.06 is: 703.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156.75 : 332.06 = 332.06 : x
  2. Step 2: Convert to fraction form
    156.75/332.06 = 332.06/x
  3. Step 3: Cross multiply
    156.75x = 332.06 × 332.06
  4. Step 4: Simplify right side
    156.75x = 110,265.50
  5. Step 5: Solve for x
    x = 110,265.50/156.75
  6. Step 6: Final answer
    x = 703.45

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.