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Finding the Third Proportional to 3,072.50 and 6,648.50

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Solution

The third proportional to 3,072.50 and 6,648.50 is: 14,386.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.50 : 6,648.50 = 6,648.50 : x
  2. Step 2: Convert to fraction form
    3,072.50/6,648.50 = 6,648.50/x
  3. Step 3: Cross multiply
    3,072.50x = 6,648.50 × 6,648.50
  4. Step 4: Simplify right side
    3,072.50x = 44,202,552.25
  5. Step 5: Solve for x
    x = 44,202,552.25/3,072.50
  6. Step 6: Final answer
    x = 14,386.51

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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.