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Finding the Third Proportional to 210.50 and 460.38

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Solution

The third proportional to 210.50 and 460.38 is: 1,006.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    210.50 : 460.38 = 460.38 : x
  2. Step 2: Convert to fraction form
    210.50/460.38 = 460.38/x
  3. Step 3: Cross multiply
    210.50x = 460.38 × 460.38
  4. Step 4: Simplify right side
    210.50x = 211,945.14
  5. Step 5: Solve for x
    x = 211,945.14/210.50
  6. Step 6: Final answer
    x = 1,006.87

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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.