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Finding the Third Proportional to 3,135 and 4,774.50

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Solution

The third proportional to 3,135 and 4,774.50 is: 7,271.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135 : 4,774.50 = 4,774.50 : x
  2. Step 2: Convert to fraction form
    3,135/4,774.50 = 4,774.50/x
  3. Step 3: Cross multiply
    3,135x = 4,774.50 × 4,774.50
  4. Step 4: Simplify right side
    3,135x = 22,795,850.25
  5. Step 5: Solve for x
    x = 22,795,850.25/3,135
  6. Step 6: Final answer
    x = 7,271.40

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.