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Finding the Third Proportional to 413 and 626.50

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Solution

The third proportional to 413 and 626.50 is: 950.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    413 : 626.50 = 626.50 : x
  2. Step 2: Convert to fraction form
    413/626.50 = 626.50/x
  3. Step 3: Cross multiply
    413x = 626.50 × 626.50
  4. Step 4: Simplify right side
    413x = 392,502.25
  5. Step 5: Solve for x
    x = 392,502.25/413
  6. Step 6: Final answer
    x = 950.37

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.