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Finding the Third Proportional to 341.63 and 628.13

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Solution

The third proportional to 341.63 and 628.13 is: 1,154.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.63 : 628.13 = 628.13 : x
  2. Step 2: Convert to fraction form
    341.63/628.13 = 628.13/x
  3. Step 3: Cross multiply
    341.63x = 628.13 × 628.13
  4. Step 4: Simplify right side
    341.63x = 394,541.02
  5. Step 5: Solve for x
    x = 394,541.02/341.63
  6. Step 6: Final answer
    x = 1,154.90

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Why These Related Problems?

These problems maintain the same ratio (1.84) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.