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Finding the Third Proportional to 346.25 and 463.50

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Solution

The third proportional to 346.25 and 463.50 is: 620.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.25 : 463.50 = 463.50 : x
  2. Step 2: Convert to fraction form
    346.25/463.50 = 463.50/x
  3. Step 3: Cross multiply
    346.25x = 463.50 × 463.50
  4. Step 4: Simplify right side
    346.25x = 214,832.25
  5. Step 5: Solve for x
    x = 214,832.25/346.25
  6. Step 6: Final answer
    x = 620.45

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.