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Finding the Third Proportional to 3,490 and 7,252

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Solution

The third proportional to 3,490 and 7,252 is: 15,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490 : 7,252 = 7,252 : x
  2. Step 2: Convert to fraction form
    3,490/7,252 = 7,252/x
  3. Step 3: Cross multiply
    3,490x = 7,252 × 7,252
  4. Step 4: Simplify right side
    3,490x = 52,591,504
  5. Step 5: Solve for x
    x = 52,591,504/3,490
  6. Step 6: Final answer
    x = 15,069.20

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.