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Finding the Third Proportional to 3,552.61 and 4,980.23

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Solution

The third proportional to 3,552.61 and 4,980.23 is: 6,981.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.61 : 4,980.23 = 4,980.23 : x
  2. Step 2: Convert to fraction form
    3,552.61/4,980.23 = 4,980.23/x
  3. Step 3: Cross multiply
    3,552.61x = 4,980.23 × 4,980.23
  4. Step 4: Simplify right side
    3,552.61x = 24,802,734.43
  5. Step 5: Solve for x
    x = 24,802,734.43/3,552.61
  6. Step 6: Final answer
    x = 6,981.55

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.