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Finding the Third Proportional to 911.53 and 2,113.03

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Solution

The third proportional to 911.53 and 2,113.03 is: 4,898.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    911.53 : 2,113.03 = 2,113.03 : x
  2. Step 2: Convert to fraction form
    911.53/2,113.03 = 2,113.03/x
  3. Step 3: Cross multiply
    911.53x = 2,113.03 × 2,113.03
  4. Step 4: Simplify right side
    911.53x = 4,464,901.06
  5. Step 5: Solve for x
    x = 4,464,901.06/911.53
  6. Step 6: Final answer
    x = 4,898.24

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.