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Finding the Third Proportional to 5,190 and 9,610.50

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Solution

The third proportional to 5,190 and 9,610.50 is: 17,796.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190 : 9,610.50 = 9,610.50 : x
  2. Step 2: Convert to fraction form
    5,190/9,610.50 = 9,610.50/x
  3. Step 3: Cross multiply
    5,190x = 9,610.50 × 9,610.50
  4. Step 4: Simplify right side
    5,190x = 92,361,710.25
  5. Step 5: Solve for x
    x = 92,361,710.25/5,190
  6. Step 6: Final answer
    x = 17,796.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.