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Finding the Third Proportional to 5,130.84 and 10,535.06

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Solution

The third proportional to 5,130.84 and 10,535.06 is: 21,631.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130.84 : 10,535.06 = 10,535.06 : x
  2. Step 2: Convert to fraction form
    5,130.84/10,535.06 = 10,535.06/x
  3. Step 3: Cross multiply
    5,130.84x = 10,535.06 × 10,535.06
  4. Step 4: Simplify right side
    5,130.84x = 110,987,541.88
  5. Step 5: Solve for x
    x = 110,987,541.88/5,130.84
  6. Step 6: Final answer
    x = 21,631.44

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.