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Finding the Third Proportional to 7,371 and 15,061.50

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Solution

The third proportional to 7,371 and 15,061.50 is: 30,775.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371 : 15,061.50 = 15,061.50 : x
  2. Step 2: Convert to fraction form
    7,371/15,061.50 = 15,061.50/x
  3. Step 3: Cross multiply
    7,371x = 15,061.50 × 15,061.50
  4. Step 4: Simplify right side
    7,371x = 226,848,782.25
  5. Step 5: Solve for x
    x = 226,848,782.25/7,371
  6. Step 6: Final answer
    x = 30,775.85

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.