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Finding the Third Proportional to 4,500 and 9,490.50

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Solution

The third proportional to 4,500 and 9,490.50 is: 20,015.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,500 : 9,490.50 = 9,490.50 : x
  2. Step 2: Convert to fraction form
    4,500/9,490.50 = 9,490.50/x
  3. Step 3: Cross multiply
    4,500x = 9,490.50 × 9,490.50
  4. Step 4: Simplify right side
    4,500x = 90,069,590.25
  5. Step 5: Solve for x
    x = 90,069,590.25/4,500
  6. Step 6: Final answer
    x = 20,015.46

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.