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Finding the Third Proportional to 157,281.75 and 336,555

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Solution

The third proportional to 157,281.75 and 336,555 is: 720,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,281.75 : 336,555 = 336,555 : x
  2. Step 2: Convert to fraction form
    157,281.75/336,555 = 336,555/x
  3. Step 3: Cross multiply
    157,281.75x = 336,555 × 336,555
  4. Step 4: Simplify right side
    157,281.75x = 113,269,268,025
  5. Step 5: Solve for x
    x = 113,269,268,025/157,281.75
  6. Step 6: Final answer
    x = 720,167.90

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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.