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Finding the Third Proportional to 356.50 and 453

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Solution

The third proportional to 356.50 and 453 is: 575.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    356.50 : 453 = 453 : x
  2. Step 2: Convert to fraction form
    356.50/453 = 453/x
  3. Step 3: Cross multiply
    356.50x = 453 × 453
  4. Step 4: Simplify right side
    356.50x = 205,209
  5. Step 5: Solve for x
    x = 205,209/356.50
  6. Step 6: Final answer
    x = 575.62

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.