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Finding the Third Proportional to 624.38 and 1,346.63

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Solution

The third proportional to 624.38 and 1,346.63 is: 2,904.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.38 : 1,346.63 = 1,346.63 : x
  2. Step 2: Convert to fraction form
    624.38/1,346.63 = 1,346.63/x
  3. Step 3: Cross multiply
    624.38x = 1,346.63 × 1,346.63
  4. Step 4: Simplify right side
    624.38x = 1,813,398.89
  5. Step 5: Solve for x
    x = 1,813,398.89/624.38
  6. Step 6: Final answer
    x = 2,904.34

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.