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Finding the Third Proportional to 157.50 and 336.52

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Solution

The third proportional to 157.50 and 336.52 is: 719.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    157.50 : 336.52 = 336.52 : x
  2. Step 2: Convert to fraction form
    157.50/336.52 = 336.52/x
  3. Step 3: Cross multiply
    157.50x = 336.52 × 336.52
  4. Step 4: Simplify right side
    157.50x = 113,242.77
  5. Step 5: Solve for x
    x = 113,242.77/157.50
  6. Step 6: Final answer
    x = 719.00

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.