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Finding the Third Proportional to 293.34 and 624.66

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Solution

The third proportional to 293.34 and 624.66 is: 1,330.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.34 : 624.66 = 624.66 : x
  2. Step 2: Convert to fraction form
    293.34/624.66 = 624.66/x
  3. Step 3: Cross multiply
    293.34x = 624.66 × 624.66
  4. Step 4: Simplify right side
    293.34x = 390,195.43
  5. Step 5: Solve for x
    x = 390,195.43/293.34
  6. Step 6: Final answer
    x = 1,330.16

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.