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Finding the Third Proportional to 2,355.01 and 5,118.66

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Solution

The third proportional to 2,355.01 and 5,118.66 is: 11,125.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.01 : 5,118.66 = 5,118.66 : x
  2. Step 2: Convert to fraction form
    2,355.01/5,118.66 = 5,118.66/x
  3. Step 3: Cross multiply
    2,355.01x = 5,118.66 × 5,118.66
  4. Step 4: Simplify right side
    2,355.01x = 26,200,701.79
  5. Step 5: Solve for x
    x = 26,200,701.79/2,355.01
  6. Step 6: Final answer
    x = 11,125.51

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.