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Finding the Third Proportional to 5,625 and 12,165.75

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Solution

The third proportional to 5,625 and 12,165.75 is: 26,312.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625 : 12,165.75 = 12,165.75 : x
  2. Step 2: Convert to fraction form
    5,625/12,165.75 = 12,165.75/x
  3. Step 3: Cross multiply
    5,625x = 12,165.75 × 12,165.75
  4. Step 4: Simplify right side
    5,625x = 148,005,473.06
  5. Step 5: Solve for x
    x = 148,005,473.06/5,625
  6. Step 6: Final answer
    x = 26,312.08

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.