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Finding the Third Proportional to 2,280 and 3,374.50

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Solution

The third proportional to 2,280 and 3,374.50 is: 4,994.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280 : 3,374.50 = 3,374.50 : x
  2. Step 2: Convert to fraction form
    2,280/3,374.50 = 3,374.50/x
  3. Step 3: Cross multiply
    2,280x = 3,374.50 × 3,374.50
  4. Step 4: Simplify right side
    2,280x = 11,387,250.25
  5. Step 5: Solve for x
    x = 11,387,250.25/2,280
  6. Step 6: Final answer
    x = 4,994.41

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.