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Finding the Third Proportional to 210.38 and 461.25

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Solution

The third proportional to 210.38 and 461.25 is: 1,011.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    210.38 : 461.25 = 461.25 : x
  2. Step 2: Convert to fraction form
    210.38/461.25 = 461.25/x
  3. Step 3: Cross multiply
    210.38x = 461.25 × 461.25
  4. Step 4: Simplify right side
    210.38x = 212,751.56
  5. Step 5: Solve for x
    x = 212,751.56/210.38
  6. Step 6: Final answer
    x = 1,011.30

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.