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Finding the Third Proportional to 482.20 and 1,010.92

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Solution

The third proportional to 482.20 and 1,010.92 is: 2,119.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.20 : 1,010.92 = 1,010.92 : x
  2. Step 2: Convert to fraction form
    482.20/1,010.92 = 1,010.92/x
  3. Step 3: Cross multiply
    482.20x = 1,010.92 × 1,010.92
  4. Step 4: Simplify right side
    482.20x = 1,021,955.14
  5. Step 5: Solve for x
    x = 1,021,955.14/482.20
  6. Step 6: Final answer
    x = 2,119.35

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.