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Finding the Third Proportional to 910.97 and 2,021.06

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Solution

The third proportional to 910.97 and 2,021.06 is: 4,483.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    910.97 : 2,021.06 = 2,021.06 : x
  2. Step 2: Convert to fraction form
    910.97/2,021.06 = 2,021.06/x
  3. Step 3: Cross multiply
    910.97x = 2,021.06 × 2,021.06
  4. Step 4: Simplify right side
    910.97x = 4,084,693.63
  5. Step 5: Solve for x
    x = 4,084,693.63/910.97
  6. Step 6: Final answer
    x = 4,483.90

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.