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Finding the Third Proportional to 3,160.90 and 4,553.40

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Solution

The third proportional to 3,160.90 and 4,553.40 is: 6,559.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.90 : 4,553.40 = 4,553.40 : x
  2. Step 2: Convert to fraction form
    3,160.90/4,553.40 = 4,553.40/x
  3. Step 3: Cross multiply
    3,160.90x = 4,553.40 × 4,553.40
  4. Step 4: Simplify right side
    3,160.90x = 20,733,472.90
  5. Step 5: Solve for x
    x = 20,733,472.90/3,160.90
  6. Step 6: Final answer
    x = 6,559.36

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.